專利名稱::1,2,3-噻二唑巰乙酰胺類衍生物的制備方法
技術(shù)領(lǐng)域:
:本發(fā)明涉及有機(jī)化合物合成領(lǐng)域,尤其涉及2-(4-取代芳基-l,2,3-噻二唑-5-巰基)-^-取代芳基乙酰胺類衍生物的制備方法。
背景技術(shù):
:1,2,3-噻二唑巰乙酰胺類化合物(TTAs)是新一代非核苷類HIV-1逆轉(zhuǎn)錄酶抑制劑。TTAs衍生物的制備是以4-取代苯基-l,2,3-噻二唑-5-巰基乙酸乙酯為中間體,經(jīng)水解反應(yīng)得到4-取代苯基-l,2,3-噻二唑-5-巰基乙酸,最后經(jīng)酰化反應(yīng),柱層析得到2-(4-取代苯基-1,2,3-噻二唑-5-巰基)-iV-取代苯基乙酰胺類衍生物。參見(jiàn)展等,1,2,3-噻二哇巰乙酰胺衍生物新型的非核苷類HIV-1逆轉(zhuǎn)錄酶抑制劑,生物有機(jī)及藥物化學(xué)快報(bào),2008,18(20):5368-71(ZhanP,LiuX,CaoY,WangY,P咖ecouqueC,DeClercqE.l,2,3-ThiadiazolethioacetanilidesasanovelclassofpotentHIV-1non-nucleosidereversetranscriptaseinhibitors.別00rgMecC/2ew2008,18(20):5368-71)。反應(yīng)路線如下a:KOH-EtOH-H20,50-70°C;b:PC15,aniline,DCM,r%1-2h此法第一步的水解反應(yīng),為了避免噻二唑環(huán)被破壞,需要在KOH水溶液中,50-70'C下溫和條件下長(zhǎng)時(shí)間攪拌,且產(chǎn)物收率低。第二步的?;磻?yīng),需要試劑干燥無(wú)水,且反應(yīng)產(chǎn)物需要柱層析分離,該路線操作步驟繁瑣,總收率較低(后兩步反應(yīng)的總收率低于40%)。為了進(jìn)一步優(yōu)化1,2,3-噻二唑巰乙酰胺化合物的結(jié)構(gòu),探明與酰胺直接相連的芳環(huán)部分對(duì)活性的影響,闡明該類化合物的構(gòu)效關(guān)系,最終篩選出具有更高活性的先導(dǎo)化合物,需要引入結(jié)構(gòu)多樣性的取代基,合成一系列以TTAs為先導(dǎo)物的新型衍生物。因此,對(duì)原合成路線進(jìn)行優(yōu)化以找到操作簡(jiǎn)單、產(chǎn)率高的新的合成方法,十分必要。
發(fā)明內(nèi)容本發(fā)明針對(duì)現(xiàn)有技術(shù)的不足,提供一種操作簡(jiǎn)單、產(chǎn)率高的合成2-(4-取代芳基-1,2,3-噻二唑-5-巰基)-W-取代芳基乙酰胺類衍生物的方法。本發(fā)明的技術(shù)方案如下1.2-(4-取代芳基-l,2,3-噻二唑-5-巰基)-iV-取代芳基乙酰胺類衍生物本發(fā)明涉及的2-(4-取代芳基-l,2,3-噻二唑-5^巰基)-N-取代芳基乙酰胺類衍生物,其結(jié)構(gòu)通式如下4其中R為2-氟苯基、2-氯苯基、2-氯-3-吡啶基、2-溴苯基、2-溴-4-甲基苯基、2-溴-4_甲酮基苯基、2-硝基苯基、2-硝基-4-甲基苯基、2-甲基苯基、苯基、4-甲基苯基、4-氯苯基、2,3-二甲基苯基、2,6-二甲基苯基、2-吡啶基、2-噻唑基、5-甲基-2-苯并[d]噻唑基或3-甲氧羰基-2-噻吩基;其中Ar為各種取代芳基;優(yōu)選的,Ar為3,4-二氯苯基、2,4-二溴苯基、P-萘基之2.2-(4-取代芳基-l,2,3-噻二唑-5-巰基)W-取代芳基乙酰胺類衍生物的合成路線如下:4a,4b,4c5a,5b,5c6a,6b,6c7at-7al8,7bl-7bl8,7cl-7cl8其中R為2-氟苯基、2-氯苯基、2-氯-3-吡啶基、2-溴苯基、2-溴-4-甲基苯基、2-溴-4-甲酮基苯基、2-硝基苯基、2-硝基-4-甲基苯基、2-甲基苯基、苯基、4-甲基苯基、4-氯苯基、2,3-二甲基苯基、2,6-二甲基苯基、2-吡啶基、2-噻唑基、5-甲基-2-苯并[d]噻唑基或3-甲氧羰基-2-噻吩基;其中Ar為3,4-二氯苯基、2,4-二溴苯基或p-萘基之一。3.中間體4-取代芳基-l,2,3-噻二唑-5-巰鈉鹽6的制備方法
技術(shù)領(lǐng)域:
:本發(fā)明2-(4-取代芳基-l,2,3-噻二唑-5-巰基)-W-取代芳基乙酰胺類衍生物的制備需要合成4-取代芳基-l,2,3-噻二唑-5-巰鈉鹽6,作為關(guān)鍵中間體,具體步驟如下以取代苯(萘)乙酮或取代苯為原料,分別經(jīng)鹵代反應(yīng)或付克反應(yīng)得到a-卣代取代苯(萘)乙酮2;將11.4ml(0.1mol)的巰基丙酸甲酯溶于100ml無(wú)水乙醇中,加入5.3g(0.05mol)的Na2C03,攪拌大約10min;然后加入0.1mol的a-鹵代苯(萘)乙酮2;繼續(xù)室溫?cái)嚢?,TLC檢測(cè)反應(yīng)完全,減壓蒸除溶劑,加入二氯甲烷,水洗,干燥,濃縮得中間體3。將12.2gC0.12mo1)的鹽酸氨基脲、8.2g(O.lmol)的乙酸鈉在乙醇中加熱回流lh,趁熱抽濾,濾液中加入30g(O.lmol)的中間體3,繼續(xù)回流至TLC檢測(cè)反應(yīng)完全;反應(yīng)液冷卻,抽濾,濾餅水洗,乙醚洗,干燥得中間體4;5將3.6g(O.Olmol)中間體4混懸于10ml二氯甲垸中,冰浴攪拌下,緩慢滴力t!SOCl2l0ml,反應(yīng)完全后,柱層析得4-取代芳基-l,2,3-噻二唑-5-巰基丙酸甲酯5;將3.5g(O.Olmol)的化合物5混懸于100ml無(wú)水甲醇中,室溫?cái)嚢柘?,慢慢加入等?dāng)量的0.54g(O.Olmol)甲醇鈉,繼續(xù)室溫?cái)嚢?,TLC檢測(cè)反應(yīng)完全,減壓蒸除溶劑,得褐色油狀物,加入一定量的二氯甲烷,用鋼勺攪動(dòng)油狀物,有固體析出,抽濾,濾餅用二氯甲垸洗滌2次,干燥得4-取代芳基-l,2,3-噻二唑-5-巰鈉鹽6。4.2-(4-取代芳基-l,2,3-噻二唑-5-巰基)-W-取代芳基乙酰胺類衍生物7的制備方法利用上述中間體4-取代芳基-l,2,3-噻二唑-5-巰鈉鹽6,通過(guò)與各種取代芳胺的烴化反應(yīng),然后經(jīng)重結(jié)晶純化得到2-(4-取代芳基-l,2,3-噻二唑-5-巰基)-iV-取代芳基乙酰胺類衍生物,具體步驟如下取4-取代芳基-l,2,3-噻二唑-5-巰鈉鹽61.05mmol(0.3g)溶于30ml無(wú)水乙醇,加入lmmol的2-氯乙酰芳胺(O.llg),室溫?cái)嚢柚劣写罅抗腆w析出,減壓濃縮,加入30ml二氯甲烷,3x30ml水洗,有機(jī)相用無(wú)水硫酸鈉干燥,濃縮,乙醇重結(jié)晶得目標(biāo)化合物7;其中取代基2-氯乙酰芳胺為2-氯乙酰-^-(2-氟苯基)、2-氯乙酰-^-(2-氯苯基)、2-氯乙酰-iV-(2-氯-3-吡啶基)、2-氯乙酰-#-(2-溴苯基)、2-氯乙酰-iV-(2-溴-4-甲基苯基)、2-氯乙酰-W-(2-溴-4-甲酮基苯基)、2-氯乙酰-A^(2-硝基苯基)、2-氯乙酰-JV-(2-硝基-4-甲基苯基)、2-氯乙酰-A^(2-甲基苯基)、2-氯乙酰-W-苯基、2-氯乙酰-^-(4-甲基苯基)、2-氯乙酰-W-(4-氯苯基)、2-氯乙酰-^-(2,3-二甲基苯基)、2-氯乙酰-AT-(2,6-二甲基苯基)、2-氯乙酰-A^(2-吡啶基)、2-氯乙酰-A^(2-噻唑基)、2-氯乙酰-^-(5-甲基-2-苯并[d]噻唑基)或2-氯乙酰-AT-(3-甲氧羰基-2-噻吩基)。其中4-取代芳基為3,4-二氯苯基、2,4-二溴苯基或P-萘基之一。目標(biāo)化合物(7al-7al8、7bl-7bl8、7cl-7cl8)的結(jié)構(gòu)式如下表l所示:表l:<table>tableseeoriginaldocumentpage6</column></row><table>7a-4《/zCl7b-4N_S、H,Br7c-4N_S、H,o^L^sJ7a-5《'。zCl7b-57c-57a-6N—SHrdQCl7b-6N-SH,Br7c-6N-SH,7a-7n-sh"oll^JCl7b-7Br7c-7n-sh,7a-8n-sh,《,Cl7b-8n-shBr7c-8n_sh,27a-9Cl7b-9Br7c-9oli^17a-10力丫》7b-10廣shBr7c-10n-sh^T》7a-11rs、hCl7b-llF-sHBr7c-lln-sh7a隱12Cl7b-12p-sHBr7c-1277a-13N—S、H1ci7b-13Br7c-13"S、H17a-14rs、hici7b-14Br7c-147a-15n—sha7b-15"s、hBr7c-157a-16丄oci7b-16p-sHBr7c-16丄0nJ7a-17廣shci7b-177c-17n-sh^^^^on,j7a-18r\h丫丄osJci7b-18"、H丫Br7c-18q^。N—S、HT丄osJ與原路線相比,本路線在最后兩步反應(yīng)有所改進(jìn)新路線中以4-取代芳基-l,2,3-噻二唑-5-巰基丙酸甲酯為關(guān)鍵中間體,經(jīng)消除、烴化反應(yīng)得終產(chǎn)物,這兩步反應(yīng)耗時(shí)短,后處理簡(jiǎn)便,兩步反應(yīng)的總收率達(dá)到60%左右。而原路線中以4-取代芳基-l,2,3-噻二唑-5-巰基乙酸乙酯為關(guān)鍵中間體,經(jīng)水解、?;磻?yīng)得終產(chǎn)物,水解反應(yīng)耗時(shí)較長(zhǎng),且后處理需要反復(fù)萃取、酸堿中和等繁瑣操作,酰化反應(yīng)需要無(wú)水操作,反應(yīng)條件苛刻,且后處理需要柱層析分離純化,兩步反應(yīng)的總收率低于40%??傊?,與現(xiàn)有技術(shù)相比,本發(fā)明的優(yōu)良效果為提供了一條全新的2-(4-取代芳基-1,2,3-噻二唑-5-巰基)-W-取代芳基乙酰胺類衍生物的合成路線,其制備方法簡(jiǎn)便,收率高,有利于工業(yè)化生產(chǎn),在醫(yī)藥
技術(shù)領(lǐng)域:
有極好的應(yīng)用前景。具體實(shí)施例方式下面結(jié)合實(shí)施例對(duì)本發(fā)明做進(jìn)一步說(shuō)明,所有化合物的編號(hào)與表1相同。8實(shí)施例l:4-(3,4-二氯苯)-1,2,3-噻二唑-5-巰鈉鹽6a的制備將18.9g(O.lmol)3,4-二氯苯乙酮la、80ml冰醋酸于室溫?cái)嚢柘?,慢慢滴?6.0g(O.lmol)溴水的冰醋酸溶液20ml。滴畢,室溫反應(yīng)6h,TLC檢測(cè)反應(yīng)完全,然后在攪拌下向反應(yīng)液中慢慢倒入100g冰水,有大量固體析出,抽濾,水洗,干燥得a-溴代-3,4-二氯苯乙酮2a粗品,不必純化,直接進(jìn)行下步反應(yīng)。將巰基丙酸甲酯11.4ml(O.lmol)溶于100ml無(wú)水乙醇,加入Na2C035.3g(0.05mol),攪拌大約10min。然后加入a-溴代-3,4-二氯苯乙酮2a0.1mo1。繼續(xù)室溫?cái)嚢?,TLC檢測(cè)反應(yīng)完全,減壓蒸除溶劑,加入100ml二氯甲垸,水洗,干燥,濃縮得淺黃色油狀物3a。將12.2g(0-12mo1)鹽酸氨基脲、8.2g(O.lmol)乙酸鈉在50ml乙醇中加熱回流lh,趁熱抽濾,濾液中加入30g(O.lmol)中間體3a,繼續(xù)回流約10h,TLC檢測(cè)反應(yīng)完全。反應(yīng)液冷卻,抽濾,濾餅水洗,乙醚洗,干燥得中間體4a,為灰白色固體,收率78.5n/。,M.p.l58-160'C。將3.6g(O.Olmol)中間體4a混懸于10ml二氯甲垸中,冰浴攪拌下,慢慢滴加氯化亞砜10ml,室溫?cái)嚢柚林虚g體4a基本反應(yīng)完全。減壓濃縮,加入50ml乙酸乙酯,抽濾,濾液濃縮得紅色油狀物,柱層析(乙酸乙酯/石油醚=1/4)得白色固體,為化合物4-(3,4-二氯苯)-1,2,3-噻二唑-5-巰基丙酸甲酯5a,收率71.5%。C12H10Cl2N2O2S2(347.96).mp:94-96°C.'H-NMR(DMSO-d6,ppm)S:8.10(s,1H,PhH),7.87(m,2H,PhH),3.61(s,3H,OCH3),3.42(t,2H,S-CH2),2.83(t,2H,CH2).IR(KBr,cm"):2959,2929,2850,1738(uc=0),1436(Un=n),1249,1198,742(uc-s).將3.5g(0.01mol)5a混懸于100ml無(wú)水甲醇中,室溫?cái)嚢柘拢尤?.54g(O.Olmol)甲醇鈉。TLC檢測(cè)反應(yīng)完全,減壓蒸除溶劑,得褐色油狀物,加入50ml二氯甲烷,用鋼勺攪動(dòng)油狀物,有固體析出,抽濾,濾餅用二氯甲烷洗滌2次,干燥得4-(3,4-二氯苯)-1,2,3-噻二唑-5-巰鈉鹽6a。收率90.4%,M.p.l81-183。C。實(shí)施例2.2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(2-氟苯基)乙酰胺7al的制備取4-(3,4-二氯苯)-1,2,3-噻二唑-5-巰鈉鹽6a1.05mmol(0.3g),溶于30ml乙醇,加入lmmol的2-氯乙酰-AA-2-氟芳胺(0.11g),室溫?cái)嚢柚钡接写罅抗腆w析出,減壓濃縮,加入30ml二氯甲垸,3x30ml水洗,有機(jī)相用無(wú)水硫酸鈉干燥,濃縮,乙醇重結(jié)晶得目標(biāo)化合物7a-l,淺黃色針晶,收率68.7%。mp:167-169°C.產(chǎn)物譜圖數(shù)據(jù)如下'H國(guó)雨R(CDC13,ppm)S:11.01(s,1H,NH),8.18(t,1H,Ph,H),8.09(d,lH,J尸2.4Hz,PhH),7.88(dd,1H,J尸1.8Hz,J產(chǎn)7她,PhH),7.59(d,1H,/尸7.8Hz,PhH),7.86(m,3H,Ph'H),3.90(s,2H,S-CH2).IR(KBr,cm-1):3254(uNH),1656("o0),1539,1490,1458(a)N=N),760(uc.s).MS(ESI):m/z414.3(M+l),416.2(M+3).C16H10C12FN3OS2(412.96).同法制得2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-AH2-氯苯基)乙酰胺7a-2,白色晶體,收率83.4%。mp:163-165。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-NMR(CDC13,ppm)S:8.47(s,1H,NH),8.25(d,lH,J尸8.4Hz,PhH),8.09(d,1H,/產(chǎn)1.8Hz,PhH),7.82(dd,1H,J產(chǎn)8.4Hz,J尸l,8Hz,PhH),7.59(d,1H,聲2.4Hz,Ph,H),7.36(d,1H,7=7.8Hz,Ph,H),7.28(t,1H,Ph'H),7.10(t,1H,Ph,H),3.93(s,2H,S-CH2).13C-NMR(CDC13:9ppm)5:163.3,156.5,145.6,133.8,133.4,130.9,130.5,130.1,129.2,127.9,127.8,125.8,123.2,121.5,42.0.IR(KBr,cm"):3252(uNH),1648(\)C=o),1588,1540,1445(dn=n),1186,751(uc.s).MS(ESI):m/z430.3(M十l),432.2(M+3).Ci6Hi0Cl3N3OS2(428.93).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-N-(2-氯吡啶-3-基)乙酰胺7a-3,白色針晶,67.5%。mp:161-163。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-NMR(CDC13,卯m)5:8.62(d,1H,^8.4Hz,pyridine-H),8.46(s,1H'NH),8.17(dd,1H,■7=1.8Hz,>4.2Hz,pyridine-H),8.10(d,lH,J尸1.8Hz,PhH),7.82(dd,1H,J尸1.8Hz,/產(chǎn)8.4Hz,PhH),7.61(d,1H,J產(chǎn)8.4Hz,PhH),7.28(m,1H,pyridine-H),4.93(s,2H,S-CH2).IR(KBr,cm-1):3233(驗(yàn)),1662(uc=0),1532,1400(u關(guān)),1077,818,752(uC-S).MS(ESI):m/z431.2(M+1),433.2(M+3),435.1(M+5).C15H9C13N40S2(429.93).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(2-溴苯基)乙酰胺7a-4,白色粉末,收率75.4%。mp:159-161。C.產(chǎn)物譜圖數(shù)據(jù)如下JH-NMR(CDCb,ppm)S:8.52(s,1H,NH),8.25(d,1H,聲7.8Hz,Ph,H),8.10(d,1H,J尸1.8Hz,PhH),7.83(dd,1H,/尸1.8Hz,力-7.8Hz,PhH),7.60(d,1H,J2=7.8Hz,PhH),7.52(d,1H,7=7.8Hz,Ph,H),7.33(dd,1H,Ph,H),7.03沐1H,Ph,H),3.93(s,2H,S-CH2).IR(KBr,cm1):3219(Unh),1651(uc=0),1533,1436(oN=N),748(vc.s).MS(ESI):m/z474.2(M+1),476.2(M+3),478.2(M+5).d6HK)BrCl2N30S2(472.88).2-(4-(3,4-二氯苯基)-1,2,3-噻二唑-5-巰基)-AT-(2-溴-4-甲基苯基)乙酰胺7a-5,白色針晶,收率68.9%。mp:163-165。C.產(chǎn)物譜圖數(shù)據(jù)如下^-畫R(CDC13,ppm)S:8,57(s,lH,卿,8.41(d,1H,J尸1.8Hz,PhH),8.08(dd,1H,J尸1.8Hz,力=8她,PhH),7.82(d,1H,一8.4Hz,PhH),7.60(d,1H,風(fēng)4Hz,Ph,H),7.34(s,lH,Ph,H),7.12(dd,1H,Ph,H),3.91(s,2H,S-CH2),2.31(s,3H,CH3).IR(KBr,cm-1):3224(dnh),3030,2977,2916,1646(uo。),1535,1488(dn=n),830,817,743(uC-S).MS(ESI):m/z488.2(M+l),490.2(M+3).C17H12BrCl2N3OS2(486.9).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(4-乙?;?2-溴苯基)乙酰胺7a-6,淺黃色針晶,收率71.5°/。。mp:165-167。C.產(chǎn)物譜圖數(shù)據(jù)如下!H-NMR(CDC13,ppm)S:8.69(s,lH,NH),8.40(d,1H,J4.4Hz,Ph,H),8.14(d,lH,J尸l,8Hz,PhH),8.08(d,1H,《/=2.4Hz,Ph,H),7.89(dd,1H,J尸1.8Hz,J產(chǎn)8.4Hz,PhH),7.81(dd,1H,J=2.4Hz,J-8.4Hz,Ph'H),7.59(d,1H,J產(chǎn)8.4Hz,PhH),3.94(s,2H,S-CH2),2.58(s,3H,CH3).IR(KBr,cm—1):3194(1)朋),1674("c=0),1672(dc=0),1531,1392(dn=n),1261,816,743(uc.s).MS(ESI):m/z516.1(M+1),518.1(M+3),520.2(M+5).C18H12BrCl2N302S2(514.89).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(2-硝基苯基)乙酰胺7a-7,淺黃色針晶,收率75.8%。mp:157-159。C.產(chǎn)物譜圖數(shù)據(jù)如下)H匿顧R(CDC13,ppm)S:11.12(s,1H,NH),8.67(d,1H,>/=8是,Ph,H),8.23(dd,1H,10</=1.8Hz,/:8.4Hz,Ph,H),8.10(d,1H,/尸1.8Hz,PhH),7.88(dd,1H,J尸1.8Hz,/產(chǎn)8.4Hz,PhH),7.70(t,3H,Ph,H),7.59(d,1H,J尸8.4Hz,PhH),7.26(m,2H,Ph,H),3.83(s,2H,S-CH2).IR(KBr,cm"):3339(vNH),1690(uc=0),1500(uasN02),1438(vN=N),1349(vsN02),1278,742(vc.s).MS(ESI):m/z441.3(M+l),443.2(M+3).C16H10Cl2N4O3S2(439.96).2隱(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-AK2-硝基-4-甲基苯基)乙酰胺7a-8,淺黃色針晶,69.8%。mp:148-150°C.產(chǎn)物譜圖數(shù)據(jù)如下^-麗R(CDC13,ppm)S:10.99(s,1H,NH),7.52(m,1H,Ph,H),8.11(d,lH,J尸1.8Hz,PhH),8.03(s,H,Ph,H),7.83(dd,1H,J產(chǎn)1.8Hz,/產(chǎn)8.4Hz,PhH),7.58(d,1H,/產(chǎn)8.4Hz,PhH),7.48(d,1H,j=8.4Hz,Ph,H),3.90(s,2H,S-CH2),2.41(s,3H,CH3).IR(KBr,cm"):3342(dnh),2973,2926,1690(dc=0),1517(uasN02),1453(u薩),1346("sN02),761(uC-S).MS(ESI):m/z455.3(M+1),457.2(M+3).C17Hi2Cl2N403S2(453.97).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(2-甲基苯基)乙酰胺7a-9,白色固體,收率78.5%。mp:192-195。C.產(chǎn)物譜圖數(shù)據(jù)如下^-麗R(CDC13,ppm)5:9.69(s,1H,NH),8.10(s,1H,J尸1.8Hz,PhH),7.82(dd,1H,/產(chǎn)1.8Hz,J產(chǎn)8.4Hz,PhH),7.71(d,1H,J-8.4Hz,Ph,H),7.61(d,1H,J產(chǎn)8.4Hz,PhH),7.22(t,1H,Ph,H),7.18(t,1H,Ph,H),7.12(t,1H,Ph,H),3.94(s,2H,S-CH2),2.11(s,3H,CH3).IR(KBr,cm—1):3258(unh),3050,2968,2922,2852,1644(dc=0),1539,1459(uN=N),1252,1224,751(dc—Se).MS(ESI):m/z410.3(M十l),412.3(M+3).Ci7H13Cl2N3OS2(408.99).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-苯基乙酰胺7a-10,白色針晶,收率78.6%。mp:143-145°C.產(chǎn)物譜圖數(shù)據(jù)如下'H-雨R(CDC13,ppm)S:10.37(s,1H,NH),8.09(d,1H,J產(chǎn)1.8Hz,PhH),7.82(dd,1H,J尸1.8Hz,J尸8.4Hz,PhH),7.59(d,1H,/產(chǎn)8.4Hz,PhH),7.40(d,2H,J:7.8Hz,Ph,H),7.34(dt,2H,Ph,H),7.17(dt,1H,Ph,H),3.87(s,2H,S-CH2).IR(KBr,cm"):3272(dnh),1663(vc=0),1539,1442(u關(guān)),742(uC-S).MS(ESI):m/z396.3(M+l),398.3(M+3).C16HnCl2N3OS2(394.97).2-(4-(3,4-二氯苯基)-1,2,3-噻二唑-5-巰基)-^-(4-甲基苯基)乙酰胺7a-ll,白色針晶,收率88.5%。mp:175-177°C.產(chǎn)物譜圖數(shù)據(jù)如下!H-NMR(CDC13,ppm)5:10.31(s,1H,NH),8.08(d,1H,/尸1.8Hz,PhH),7.81(dd,1H,J尸1.8Hz,J產(chǎn)8.4Hz,PhH),7.59(d,1H,J產(chǎn)8.4Hz,PhH),7.27(d,2H,/=8.4Hz,Ph,H),7.12(d,2H,^8.4Hz,Ph,H),3.85(s,2H,S-CH2),2.32(s,3H,CH3).IR(KBr,cm.1):3270(uNH),3053,2961,2920,1646(dc=0),1539,1432("N=N),816,741(uC-S).MS(ESI):m/z410.3(M+l),412.3(M+3).C17H13C12N30S2(408.99).2-(4-(3,4-二氯苯萄-1,2,3-噻二唑-5-巰基)^_(4_氯苯萄乙酰胺7a_12,白色針晶,54.2%。mp:171-173°C.產(chǎn)物譜圖數(shù)據(jù)如下11'H-畫R(CDC13,ppm)S:10.39(s,1H,NH),8.08(d,1H,J尸2.4Hz,PhH),7.81(dd,1H,J尸2.4Hz,《/2=8.4Hz,PhH),7.60(d,1H,J產(chǎn)8.4Hz,PhH),7.35(d,2H,J-9Hz,Ph,H),7.30(d,2H,■7=9Hz,Ph,H),3.86(s,2H,S-CH2).IR(KBr,cm-1):3261(頓),1669(vc-0),1531,1491(uN=N),825,744(dC-S).MS(ESI):m/z430.3(M+l),432.3(M+3).Ci6H10Cl3N3OS2(428.93).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-AK2,3-二甲基苯基)乙酰胺7a-13,白色粉末,收率71.8%。mp:197-199°C.產(chǎn)物譜圖數(shù)據(jù)如下!H-固R(CDC13,ppm)S:9.74(s,1H,NH),8.09(s,1H,J產(chǎn)1.8Hz,PhH),7.82(dd,1H,/尸1.8Hz,J產(chǎn)8.4Hz,PhH),7.61(d,1H,Jf8.4Hz,PhH),7.38(d,1H,^7.8Hz,Ph,H),7.11(t,1H,Ph,H),7.05(t,1H,Ph,H),3.84(s,2H,S-CH2),2.28(s,3H,CH3),2.00(s,3H,CH3).IR(KBr,cm-1):3252(uNH),3032,2977,2917,2853,1642(dc=0),1536,1426(uN=N),755(uc.s).MS(ESI):m/z424.3(M+l),426.2(M+3).C18H15C12N30S2(423).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(2,6-二甲基苯基)乙酰胺7a-14,淺黃色固體,收率75.6%。mp:211-213。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-麗R(CDC13,卯m)5:10.02(s,1H,卿,8.10(s,1H,力-1.8Hz,PhH),7.83(dd,1H,J尸1.8Hz,J產(chǎn)8.4Hz,PhH),7.61(d,1H,《/2=8.4Hz,PhH),7.12(d,1H,J:7.8Hz,Ph,H),7.06(d,1H,聲7.8Hz,Ph,H),3.97(s,2H,S-CH2),2.10(s,6H,CH3).IR(KBr,cm-1):3227(t)nh),3021,2957,2919,2852,1653(\>c=0),1533,1484,1431(d關(guān)),1222,766,744(dC-S).MS(ESI):m/z424.3(M十l),426.3(M+3).C18H15Cl2N3OS2(423).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(吡啶-2-基)乙酰胺7a-15,淺黃色針晶,74.5%。mp:171-173°C.產(chǎn)物譜圖數(shù)據(jù)如下!H-NMR(CDC13,ppm)5:8.80(s,1H,NH),8.27(d,1H,J-4.2Hz,pyridine-H),8.13(d,1H,7=8.4Hz,pyridine-H),8.09(d,lH,/尸2.4Hz,PhH),7.82(dd,1H,/尸2.4Hz,J產(chǎn)9.0Hz,PhH),7.75(m,lH,pyridine-H),7.58(d,1H,J產(chǎn)9.0Hz,PhH),7.11(dd,1H,J—.8Hz,J-7.2Hz,pyridine-H),3.88(s,2H,S-CH2).IR(KBr,cm—1):3218(t)NH),1689(uc=0),1586,1542,1446(uN=N),1436(t)關(guān)),1318,1163,785,743(vC-S).MS(ESI):m/z397.2(M+1),399.2(M+3).C15H10C12N4OS2(395.97).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-iV-(噻唑-2-基)乙酰胺7a-16,淺黃色粉末,收率65.4%。mp:221-223°C.產(chǎn)物譜圖數(shù)據(jù)如下'H德R(CDC13,ppm)S:12.51(s,1H,NH),8.13(d,1H,力-1.8Hz,PhH),7.89(dd,1H,J尸1.8Hz,/產(chǎn)8.4Hz,PhH),7.85(d,1H,J產(chǎn)8.4Hz,PhH),7.50(d,lH,/=3.6Hz,thiazole-H),7.28(d,lH,^3.6Hz,thiazole-H),4.29(s,2H,S-CH2).IR(KBr,cm.1):3435(vNH),1686(uc=0),1590,1432(dn=n),1327,1162,817,713(uc_s).MS(ESI):m/z403.1(M十l),405.2(M+3).C13H8C12N4OS3(401.92).2-(^(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-AH5-甲基苯并[d]噻唑-2-基)乙酰胺7a-17,淺黃色片晶,78.4%。mp:198-200°C.12產(chǎn)物譜圖數(shù)據(jù)如下!H-麗R(CDC13,卯m)S:12.68(s,1H,NH),8.14(d,1H,J尸1.8Hz,PhH),7.90(dd,1H,J尸1.8Hz,J產(chǎn)8.4Hz,PhH),7.84(d,1H,J產(chǎn)8.4Hz,PhH),7.77(s,H,Ph,H),7.65(d,1H,J-8.4Hz,Ph,H),7.27(d,1H,盧8.4Hz,Ph,H),4.33(s,2H,S-CH2),2.50(s,3H,CH3).IR(KBr,cm"):3319(vNH),2971,2924,2853,1698(uc=0),1607,1554,1464(u關(guān)),1159,740(uC-S).MS(ESI):m/z467.3(M+1),469.2(M+3).C18H12C12N40S3(465.96).2-(4-(3,4-二氯苯基)-l,2,3-噻二唑-5-巰基)-AK3-甲氧羰基噻吩-2-基)乙酰胺7a-18,白色針晶,收率78.7%。mp:181-183°C.產(chǎn)物譜圖數(shù)據(jù)如下'H-雇R(CDC13,ppm)5:10.93(s,1H,NH),8.14(d,1H,/尸1.8Hz,PhH),8.03(d,1H,風(fēng)OHz,thiophene-H),7.84(dd,1H,J尸1.8Hz,J產(chǎn)8.4Hz,PhH),7.58(d,1H,J產(chǎn)8.4Hz,PhH),7.50(d,1H,7:6.0Hz,thiophene-H),3.90(s,2H,S-CH2),3.87(s,3H,OCH3).IR(KBr,cm—1):3300(\)NH),1671(vc=0),15750>c=o),1447(u關(guān)),1294,779,741(vC-S).MS(ESI):m/z460.2(M十l),462.2(M+3).dsHnClMOA(458.93).實(shí)施例3.4-(2,4-二溴苯)-1,2,3-噻二唑-5-巰鈉鹽61)的制備將23.6g(O.lmol)間二溴苯lb、14.6g(O.llmol)無(wú)水三氯化鋁于室溫?cái)嚢柘?,慢慢滴?3g(O.lmol)氯乙酰氯。滴畢,于60-65'C繼續(xù)攪拌10h后,緩慢加入二氯甲垸40ml,冷卻至室溫,分出有機(jī)層,水洗至pH7,靜置,分出有機(jī)層,減壓回收盡溶劑。得淡黃色油狀物26.7g(85.4%),為a-氯代-2,4-二溴苯乙酮2b粗品。將巰基丙酸甲酯11.4ml(O.lmol)溶于100ml無(wú)水乙醇,加入Na2C035.3g(0.05mol),攪拌大約10min。然后加入a-氯代-2,4-二溴苯乙酮2b0.1mo1。繼續(xù)室溫?cái)嚢瑁琓LC檢測(cè)反應(yīng)完全,減壓蒸除溶劑,加入100ml二氯甲垸,水洗,干燥,濃縮得淺黃色油狀物3b。將12.2g(0.12mol)鹽酸氨基脲、8.2g(O.lmol)乙酸鈉在80ml乙醇中加熱回流lh,趁熱抽濾,濾液中加入中間體3b39.6g(O.lmol),繼續(xù)回流約10h,TLC檢測(cè)反應(yīng)完全。反應(yīng)液冷卻,抽濾,濾餅水洗,乙醚洗,干燥得中間體4b,白色粉末,收率74.7%,M.p.l86-188。C。將4.Sg(O.Olmol)中間體4b混懸于10m匚氯甲垸中,冰浴攪拌下,慢慢滴加氯化亞砜10ml,室溫?cái)嚢柚林虚g體4b基本反應(yīng)完全。減壓濃縮,加入50ml乙酸乙酯,抽濾,濾液濃縮得紅色油狀物,柱層析(乙酸乙酯/石油醚=1/4)得亮黃色油狀物,為化合物4-(2,4-二溴苯)-1,2,3-噻二唑-5-巰基丙酸甲酯51>,收率80.7%。將4.4g(O.Olmol)5a混懸于100ml無(wú)水甲醇中,室溫?cái)嚢柘?,慢慢加?.54g(O.Olmol)甲醇鈉。TLC檢測(cè)反應(yīng)完全,減壓蒸除溶劑,得褐色油狀物,加入50ml二氯甲烷,用鋼勺攪動(dòng)油狀物,有大量白色固體析出,抽濾,濾餅用二氯甲烷洗滌2次,干燥得4-(2,4-二溴苯)-1,2,3-噻二唑-5-巰鈉鹽61)。收率90.4%,M.p.l81-183。C。實(shí)施例4.2-(4-(2,4-二溴苯萄-l,2,3-噻二唑-5-巰基)-iV-(2-氟苯基)乙酰胺7bl的制備取4-(2,4-二溴苯)-1,2,3-噻二唑-5-巰鈉鹽61)1.05mmo1(0.4g),溶于30ml乙醇,加入lmmol的2-氯乙酰-AT-2-氟芳胺(0.11g),室溫?cái)嚢柚钡接写罅抗腆w析出,減壓濃縮,加入30ml二氯甲烷,3x30ml水洗,有機(jī)相用無(wú)水硫酸鈉干燥,濃縮,乙醇重結(jié)晶得目標(biāo)化合物7b-l。白色針晶,收率49.8%。mp:121-123。C。產(chǎn)物譜圖數(shù)據(jù)如下13^墨顧R(CDC13,ppm)5:8.21(t,1H,Ph,H),8.10(brs,1H,NH),7.92(d,1H,/尸1.8Hz,PhH),7.57(dd,1H,/尸1.8Hz,/產(chǎn)8.4Hz,PhH),7.32(d,1H,J產(chǎn)8.4Hz,PhH),7.15(m,3H,Ph,H),3.81(s,2H,S-CH2).IR(KBr,cm"):3271(vNH),1684(dc=0),1624,1548,1489,1456(uN=N),744(vc-s).MS(ESI):m/z502.1(M十l),504.1(M+3),506.1(M+5).Ci6H10Br2FN3OS2(500.86).同法制得-2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-AK2-氯苯基)乙酰胺7b-2,淺黃色方晶,79.4%。mp:161-163。C.產(chǎn)物譜圖數(shù)據(jù)如下丄H國(guó)NMR(CDC13,ppm)S:8.52(s,1H,NH),8.28(d,1H,/-8,4Hz,PhH),7.90(d,1H,/=1.2Hz,Ph,H),7.54(dd,1H,J尸8.4Hz,/產(chǎn)1.2Hz,PhH),7.37(d,1H,聲1.2Hz,PhH),7.29(m,2H,Ph,H),7.10(t,1H,Ph,H),3.83(s,2H,S-CH2).13C-NMR(CDC13,ppm)5:163.7,158.4,147.9,135.8,133.5,133.0,131.0,129.9,129.2,127.9,125.7,124.8,124.7,123.2,121.5,41.6.IR(KBr,cm"):3365(uNH),1699(uc=0),1592,1528,1440(dn=n),1306,1217,750(uC-S).MS(ESI):m/z518.1(M十l),520.1(M+3),522.1(M+5).C16H10Br2ClN3OS2(516.83).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-iV-(2-氯吡啶-3-基)乙酰胺7b-3,白色針晶,75.8%。mp:161-163°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)S:8.65(d,1H,《/=7.8Hz,pyridine-H),8.52(brs,1H,NH),8.17(dd,1H,7=1.2Hz,J=4.8Hz,pyridine-H),7.92(d,1H,J尸1.8Hz,PhH),7.58(dd,1H,J尸1.8Hz,J尸8.4Hz,PhH),7.32(d,1H,J產(chǎn)8.4Hz,PhH),7.28(m,1H,pyridine-H),3.84(s,2H,S-CH2).IR(KBr,cm-1):3305(uNH),1680(dc=0),1523,1454(uN=N),1392,1212,741(dC-S).MS(ESI):m/z519.1(M+l),521.1(M+3).C15H9Br2ClN4OS2(517.83).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-iV-(2-溴苯基)乙酰胺7b-4,白色方晶,75.8%。mp:147-149°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)S:8.54(s,1H,NH),8.25(d,1H,J-7.8Hz,Ph,H),7,91(d,1H,/尸1.8Hz,PhH),7.55(m,1H,PhH),7.54(m,1H,Ph,H),7.36(m,1H,Ph,H),7.30(m,1H,PhH),7.03(t,1H,Ph,H),3.83(s,2H,S-CH2).IR(KBr,cm-1):3351(unH),1690(uc=0),1527,1436(dn-n),1303,1217,748(uC-S).MS(ESI):m/z562.1(M+1),564.0(M+3),566.0(M+5).C16Hi0Br3N3OS2(560.78).2-(4-(2,4-二溴苯基)-1,2,3-噻二唑-5-巰基)-^-(2-溴-4-甲基苯基)乙酰胺7b-5,白色固體,84.5%。mp:169-171。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-應(yīng)R(CDC13,ppm)S:8.45(s,1H,NH),8.10(d,1H,/=8.4Hz,Ph,H),7.91(d,1H,力-1.8Hz,PhH),7.54(dd,1H,/尸1.8Hz,/產(chǎn)8.4Hz,PhH),7.36(s,1H,Ph,H),7.32(d,1H,盧8.4Hz,PhH),7.14(s,lH,^8.4Hz,Ph,H),3.51(s,2H,S-CH2),2.32(s,3H,CH3).IR(KBr,cm"):3275(dnh),3039,2951,2910,1681(uc=0),1529,1488("關(guān)),1226,1184,740(uC-S).MS(ESI):m/z576.1(M+l),578.1(M+3).C17Hi2Br3N3OS2(574.8).2-(4-(2,l二溴苯基)-lA3-噻二唑-5-巰基)-iV-(4-乙酰基-2-溴苯基)乙酰胺7b-6,白色針14晶,74.1%。mp:175-177。C(分解).產(chǎn)物譜圖數(shù)據(jù)如下^-麗R(CDC13,ppm)S:8.74(s,1H,NH),8.44(d,1H,弁8.4Hz,Ph,H),8.17(s,1H,Ph,H),7.92(d,lH,J尸1.2Hz,PhH),7.90(d,1H,月8.4Hz,Ph,H),7.54(dd,1H,J尸1.2Hz,/產(chǎn)8.4Hz,PhH),7.31(d,1H,J產(chǎn)8.4Hz,PhH),3.84(s,2H,S-CH2),2.59(s,3H,CH3).IR(KBr,cm"):3237(unh),1681(dc=0),1668(doo),1527,1391(\)N=N),1260,1229,736(uc.s).MS(ESI):m/z604.0(M+l),606.0(M+3),608.0(M+5).Ci8H12Br3N302S2(602.79).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-AH2-硝基苯基)乙酰胺7b-7,.黃色針晶,74.1%。mp:156-158°C.產(chǎn)物譜圖數(shù)據(jù)如下'H-NMR(CDC13,ppm)S:11.10(s,1H,NH),8.71(d,1H,》8.4Hz,Ph,H),8.24(dd,1H,聲1.2Hz,風(fēng)4Hz,Ph,H),7.89(d,1H,J尸1.2Hz,PhH),7.70(t,3H,Ph,H),7.54(dd,1H,力-1.2Hz,J產(chǎn)8.4Hz,PhH),7.34(d,1H,J產(chǎn)8.4Hz,PhH),7.27(m,2H,Ph,H),3.85(s,2H,S-CH2).IR(KBr,cm"):3298("NH),1691(vc=0),1500(\)asN02),1431(vN-N),1338(vsN02),1277,1221,742(uc-s).MS(ESI):m/z529.2(M+l),531.1(M+3),533.1(M+5).Ci6H10Br2N4O3S2(527.86).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基HV-(2-硝基-4-甲基苯基)乙酰胺7b-8,淺黃色針晶,84.7%。mp:186-188"C(分解).產(chǎn)物譜圖數(shù)據(jù)如下!H-畫R(CDC13,ppm)S:10.99(s,1H,NH),8.56(d,1H,J=8.4Hz,Ph,H),8.04(m,1H,《/=1.8Hz,Ph,H),7.89(d,1H,J尸1.8Hz,PhH),7.55(dd,1H,J尸1.8Hz,/尸8.4Hz,PhH),7.49(dd,1H,J-1.8Hz,《/=8.4Hz,Ph,H),7.34(d,1H,J產(chǎn)8.4Hz,PhH),3.83(s,2H,S-CH2),2.42(s,3H,CH3).IR(KBr,cm-1):3304(dnh),2914,1690(uc=0),15140>asNO2),1445(u關(guān)),1336("函),1277,1220,739(vc-s).MS(ESI):m/z543.2(M+l),545.1(M+3).C17H12Br2N403S2(541.87).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-iV-(2-甲基苯基)乙酰胺7b-9,白色片晶,70.8%。mp:121-123°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)5:7.92(s,1H,J尸1.2Hz,PhH),7.87(brs,1H,NH),7.72(d,1H,</=8.4Hz:Ph,H),7.56(dd,1H,《//=1.2Hz,J產(chǎn)8.4Hz,PhH),7.31(d,1H,J產(chǎn)8.4Hz,PhH),7.23(t,1H,Ph,H),7.19(m,1H,Ph,H),7.12(t,1H,Ph,H),3.84(s,2H,S-CH2),2.13(s,3H,CH3).IR(KBr,cm"):3242(uNH),3026,2980,2936,2851,16400>c=o),1532,1490(uN=N),1216,751(uc.s).MS(ESI):m/z498.1(M+l),500.1(M+3).Ci7H13Br2N3OS2(496.89).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-W-苯基乙酰胺7b-10,白色固體,78.4%。mp:119-12rC.產(chǎn)物譜圖數(shù)據(jù)如下'H-畫R(CDC13,ppm)S:7.92(d,1H,/尸1.2Hz,PhH),10.37(brs,1H,NH),7.57(dd,1H,J尸1.2Hz,J產(chǎn)8.4Hz,PhH),7.41(d,1H,/產(chǎn)8.4Hz,PhH),7.32(m,4H,Ph,H),7.17(dt,1H,Ph,H):3.78(s,2H,S-CH2).IR(KBr,cm—1):3274(uNH),1676(uc=0),1605,1557,1444(vN=N),1220,746(uc.s).MS(ESI):m/z484.2(M+l),486.1(M+3).C16HBr2N3OS2(482.87).152-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-iV-(4-甲基苯基)乙酰胺7b-ll,白色晶體,80.7%。mp:155-157。C.產(chǎn)物譜圖數(shù)據(jù)如下!H-雇R(CDC13,ppm)S:7.92(d,1H,J尸1.8Hz,PhH),7.86(brs,1H,NH),7.57(dd,1H,J尸1.8Hz,J尸8.4Hz,PhH),7.32(d,1H,J產(chǎn)8.4Hz,PhH),7.28(d,2H,風(fēng)4Hz,Ph,H),7.13(d,2H,《/=8.4Hz,Ph,H),3.77(s,2H,S-CH2),2.33(s,3H,CH3).IR(KBr,cm.1):3249(vNH),3033,2921,2854,1646(vc=0),1541,1421(dn=n),1374,1232,815,738(uC-S).MS(ESI):m/z498.1(M+l),500.1(M+3).CnH13Br2N3OS2(496.89).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-7V-(4-氯苯基)乙酰胺7b-12,淺黃色固體,88.7%。mp:122-124°C.產(chǎn)物譜圖數(shù)據(jù)如下'H-麗R(CDC13,ppm)S:7.92(d,1H,J尸1.2Hz,PhH),7.91(brs,1H,NH),7.58(dd,1H,J尸1.2Hz,J尸8.4Hz,PhH),7.36(d,2H,《/=9Hz,Ph,H),7.33(d,IH,力-8.4Hz,PhH),7.30(d,2H,7=9Hz,Ph,H),3.77(s,2H,S-CH2).IR(KBr,cm"):3307(觸),1672(uc=0),1541,1492(uN=N),1400,1217,823,740(dc.s).MS(ESI):m/z518.1(M+l),520.1(M+3).Ci6H10Br2ClN3OS2(516.83).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-AK2,3-二甲基苯基)乙酰胺7b-13,白色針晶,80.7%。mp:120-122。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-NMR(CDC13,ppm)5:7.93(s,IH,J尸1.2Hz,PhH),7.86(s,1H,NH),7.56(dd,1H,J產(chǎn)1.2Hz:72=8.4Hz,PhH),7.38(d,IH,^7.8Hz,Ph,H),7.31(d,1H,/尸8.4Hz,PhH),7.11(t,1H,Ph,H),7.05(d,1H,J=7.8Hz,Ph,H),3.84(s,2H,S-CH2),2.29(s,3H,CH3),2.00(s,3H,CH3).IR(KBr,cm-1):3292(uNH),3058,2961,2920,2854,1680(uc=0),1542,1469(dn=n),1216,773,741(vc.s).MS(ESI):m/z512.2(M十l),514.2(M+3).C18H15Br2N3OS2(510.9).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-AK2,6-二甲基苯基)乙酰胺7b-14,白色片晶,84.5%。mp:156-158。C.產(chǎn)物譜圖數(shù)據(jù)如下^-麗R(CDC13,ppm)S:7.94(d,1H,J產(chǎn)1.2Hz,PhH),7.60(dd,1H,J尸1.2Hz,J產(chǎn)8.4Hz,PhH),7.55(brs,IH,NH),7.33(d,1H,J產(chǎn)8.4Hz,PhH),7.13(q,1H,Ph,H),7.06(d,1H,《/=7.8Hz,Ph,H),3.86(s,2H,S-CH2),2.10(s,6H,CH3).IR(KBr,cm'1):3273(vNH),3020,2962,2924,2851,1645(DC=0),1518,1473,1437(uN=N),1214,765,740ds).MS(ESI):m/z512,+1),514.1(M+3).C18H15Br2N3OS2(510.9).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-AT-(吡啶-2-基)乙酰胺7b-15,白色針晶,58.7%。mp:128-130°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)5:8.82(brs,1H,NH),8.27(d,1H,《/=4.8Hz,pyridine-H),8.15(d,1H,■7=8.4Hz,pyridine-H),7.91(d,IH,J尸1.8Hz,PhH),7.76(m,lH,pyridine-H),7.56(dd,IH,J產(chǎn)1.8Hz,J產(chǎn)8.4Hz,PhH),7.33(d,1H,/產(chǎn)8.4Hz,PhH),7.11(m,1H,pyridine-H),3.81(s,2H,S-CH2).IR(KBr,cm"):3195(uNH),16860)C=o),1586,1535,1438(uN=N),1318,789,740(uc.s).16MS(ESI):m/z585.1(M+1),587.1(M+3).Ci5H10Br2N4OS2(483,87).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基HV-(噻唑-2-基)乙酰胺7b-16,黃色方晶,54.20/0。mp:217-219°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)S:12.48(s,1H,NH),8.15(d,1H,/尸1.2Hz,PhH),7.77(dd,1H,力-1.2Hz,J產(chǎn)8.4Hz,PhH),7.52(d,1H,J產(chǎn)8.4Hz,PhH),7.51(d,1H,聲3.6Hz,thiazole-H),7.28(d,lH,/=3.6Hz,仏iazole-H),4.19(s,2H,S-CH2).IR(KBr,cm.1):3436(uNH),1684(uc=0),1585,1429(v關(guān)),1330,1227,1176,1163,817,740(dC-S).MS(ESI):m/z491.1(M+1),493.1(M+3).Ci3H8Br2N4OS3(489.82).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-W-(5-甲基苯并[d]噻唑-2-基)乙酰胺7b-17,淺黃色固體,74.5%。mp:125-127'C.產(chǎn)物譜圖數(shù)據(jù)如下'H-NMR(CDC13,ppm)S:12.65(s,1H,NH),8.15(d,1H,力-1.8Hz,PhH),7.78(s,H,Ph,H),7.76(m,1H,PhH),7.65(d,1H,風(fēng)4Hz,Ph,H),7.52(d,1H,J產(chǎn)8.4Hz,PhH),7.26(d,1H,j-8.4Hz,Ph,H),4.24(s,2H,S-CH2),2.50(s,3H,CH3).IR(KBr,cm—1):3435(dnh),2991,2920,2854,1655(uc=0),1608,1550,1435(t)N=N),815,738(t)C-S).MS(ESI):m/z555.0(M+1),557.1(M+3).C18H12Br2N4OS3(553.85).2-(4-(2,4-二溴苯基)-l,2,3-噻二唑-5-巰基)-iV-(3-甲氧羰基噻吩-2-基)乙酰胺7b-18,淺黃色針晶,68.7%。mp:148-150'C.產(chǎn)物譜圖數(shù)據(jù)如下!H-NMR(CDC13,卯m)S:10.86(s,1H,NH),8.05(d,1H,盧5.4Hz,thiophene-H),7.90(d,1H,J尸1.2Hz,PhH),7.55(dd,1H,J尸1.2Hz,J產(chǎn)8.4Hz,PhH),7.51(d,1H,聲6.0Hz,thiophene-H),7.35(d,1H,J產(chǎn)8.4Hz,PhH),3.88(s,2H,S-CH2),3.81(s,3H,OCH3).IR(KBr,cm"):3275(x)NH),1674(uc=0),1571(uc=0),1444(u關(guān)),1282,783,7360)C-S).MS(ESI):m/z548.2(M+l),550.0(M+3).Ci6HuBr2N303S3(546.83).實(shí)施例5.4-(2-萘基)-1,2,3-噻二唑-5-巰鈉鹽6<:的制備將17.0g(O.lmol)p-萘乙酮lc、200ml冰醋酸于室溫?cái)嚢柘?,慢慢滴?6.0g(O.lmol)溴水的冰醋酸溶液20ml。滴畢,室溫反應(yīng)6h,TLC檢測(cè)反應(yīng)基本完全,然后在攪拌下向反應(yīng)液中慢慢倒入100g冰水,3xl00ml二氯甲烷提取,合并有機(jī)相,3xl50ml水洗,3x50mlNaHCO3(10n/。)溶液洗,有機(jī)相用無(wú)水硫酸鈉干燥,抽濾,得到2-溴-l-(2-萘基)乙酮2c(粗品)的二氯甲垸溶液。將上步中間體2c的二氯甲烷溶液在冰浴攪拌下,慢慢滴加0.1mol巰基丙酸甲酯(11.4ml),攪拌約10min,然后向反應(yīng)液中慢慢滴加0.1mol三乙胺的二氯甲烷溶液20ml。滴畢,撤去冰浴,繼續(xù)室溫?cái)嚢瑁琓LC檢測(cè)反應(yīng)完全,反應(yīng)液水洗,干燥,濃縮得淺黃色油狀物3c。不必純化,直接進(jìn)行下步反應(yīng)。將12.2g(0.12mol)鹽酸氨基脲、8.2g(O.lmol)乙酸鈉在50ml乙醇中加熱回流lh,趁熱抽濾,濾液中加入28.8g(O.lmol)中間體3c,繼續(xù)回流,TLC檢測(cè)反應(yīng)完全。反應(yīng)液冷卻,抽濾,濾餅水洗,乙醚洗,干燥得中間體4c,為白色固體,收率75.1%,M.p.l62-164。C。MS(ESI):m/z346.3(M+1).17將3.5g(O.Olmol)中間體4c混懸于10m匚氯甲垸中,冰浴攪拌下,慢慢滴加氯化亞砜10ml,室溫?cái)嚢柚林虚g體4c基本反應(yīng)完全。減壓濃縮,加入50ml乙酸乙酯,抽濾,濾液濃縮得紅色油狀物,柱層析(乙酸乙酯/石油醚=1/4)得亮黃色油狀物,為化合物4-(2-萘基)-1,2,3-噻二唑-5-巰基丙酸甲酯5<:,收率71.5%。MS(ESI):m/z331.3(M+l).將3.3g(O.Olmol)5c混懸于100ml無(wú)水甲醇中,室溫?cái)嚢柘?,慢慢加?.54g(O.Olmol)甲醇鈉。TLC檢測(cè)反應(yīng)完全,減壓蒸除溶劑,得褐色油狀物,加入50ml二氯甲垸,用鋼勺攪動(dòng)油狀物,有固體析出,抽濾,濾餅用二氯甲垸洗滌2次,干燥得4-(2-萘基)-1,2,3-噻二唑-5-巰鈉鹽6c。收率92.4%,M.p.l74-176。C。實(shí)施例6.2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-iV-(2-氟苯基)乙酰胺7cl的制備取4-(2-萘基)-1,2,3-噻二唑-5-巰鈉鹽6c、1.05腿ol(0.28g),溶于30ml乙醇,加入lmmol的2-氯乙酰-iV-2-氟芳胺(O.llg),室溫?cái)嚢?h-20h,直到有大量固體析出,減壓濃縮,加入30ml二氯甲垸,3x30ml水洗,有機(jī)相用無(wú)水硫酸鈉干燥,濃縮,乙醇重結(jié)晶得目標(biāo)化合物7c-l。淺黃色針晶,58.9%。mp:163-165'C.產(chǎn)物譜圖數(shù)據(jù)如下'H-NMR(CDC13,ppm)S:11.07(brs,1H,NH),8.41-7.55(m,7H,naphthalene-H),8.19(t,1H,Ph,H),7.20(m,3H,Ph,H),3.91(s,2H,S-CH2).IR(KBr,cm.1):3247(uNH),1658("<>0),1541,1492,1457(uN=N),1256,1199,756(vc.s).MS(ESI):m/z396.2(M+l).C20H14FN3OS2(395.06)同法制得2-(4-(2-萘基)-1,2,3-噻二唑-5-巰基)-#-(2-氯苯基)乙酰胺7c-2,白色針晶,84.7%。mp:179-180°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,卯m)S:8.58(brs,1H,NH),8.51-7.57(m,7H,naphthalene-H),7.41(d,IH,■7=2.4Hz,Ph,H),7.31(d,IH,/=7.8Hz,Ph,H),7.25(t,1H,Ph,H),7.07(t,IH,Ph,H),3.92(s,2H,S-CH2).IR(KBr,cm—1):3296(uNH),1685(uc=0),1594,1525,1438(uN=N),1233,744(uc.s).MS(ESI):m/z412.3(M+1),414.3(M+3).C20Hi4ClN3OS2(411.03).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-iV-(2-氯吡啶-3-基)乙酰胺7c-3,淺黃色針晶,81.7%。mp:161-163°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)S:8.60(d,1H,</=8.4Hz,pyridine-H),8.53(s,IH,NH),8.43-7,56(m,7Hnaphthalene-H),8.18(dd,1H,J:1.8Hz,/=4.2Hz,pyridine-H),7.27(m,IH,pyridine-H),3.93(s,2H,S-CH2).IR(KBr,cm—1):3439(dnh),1683("oo),1520,1453(dn=n),1394,748(uc.s).MS(ESI):m/z413.4(M+1),415.3(M+3).C19H13C1N40S2(412.02).2-(4-(2-萘基)-1,2,3-噻二唑-5-巰基)-琴(2-溴苯基)乙酰胺7c-4,白色針晶,69.8%。mp:164-166°C.產(chǎn)物譜圖數(shù)據(jù)如下^-麗R(CDC13,ppm)S:8.62(brs,1H,NH),8.24(d,1H,/=7.8Hz,Ph,H),8.41-7.55(m,7H,naphthalene-H),7.47(d,IH,月7.8Hz,Ph,H),7.32(dd,1H,Ph,H),7.00(dt,1H,Ph,H),3.95(s,2H,S-CH2).IR(KBr,cm"):3214(dnh),1653(Doq),1533,1435(uN=N),1227,748(uc.s).MS(ESI):m/z456.3(M+1).C20H14BrN3OS2(454.98).182-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AK2-溴-4-甲基苯基)乙酰胺7c-5,白色針晶,70.8%。mp:143-145°C.產(chǎn)物譜圖數(shù)據(jù)如下'H-麗R(CDC13,ppm)S:8.52(brs,1H,NH),8.44-7.55(m,7H,naphthalene-H),7.84(d,1H,風(fēng)4Hz,Ph,H),7.28(s,lH,Ph,H),7.10(dd,1H,Ph,H),3.92(s,2H,S-CH2),2.28(s,3H,CH3).IR(KBr,cm—1):3234(uNH),3042,2967,2916,1659(Do0),1526,1444(uN=N),814,747(dc.s).MS(ESI):m/z470.2(M+1),472.2(M+3).C2iH16BrN3OS2(468.99).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-iV-(4-乙?;?2-溴苯基)乙酰胺7c-6,白色晶體,85.7%。mp:172陽(yáng)174。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-畫R(CDC13,ppm)S:8.77(s,1H,NH),8.54-7.55(m,7H,naphthalene-H),8,40(d,1H,/=8.4Hz,Ph,H),8.07(d,1H,/=2.4Hz,Ph,H),7.83(dd,1H,>2.4Hz,/=8.4Hz,Ph,H),3.89(s,2H,S-CH2),2.55(s,3H,CH3).IR(KBr,cm"):3233(Unh),16750)C=o),1595(t)oo),1527,1386(uN=N),1266,748(uc.s).MS(ESI):m/z498.2(M+l).C22H16BrN302S2(496.99).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AK2-硝基苯基)乙酰胺7c-7,淺黃色針晶,67.4%。mp:151-153。C.產(chǎn)物譜圖數(shù)據(jù)如下H-麗R(CDCb,ppm)S:11.12(brs,1H,NH),8.65(d,1H,J-8.4Hz,Ph,H),8.44-7.53(m,7H,naphthalene-H),8.32(dd,1H,</=1.8Hz,/=8.4Hz,Ph,H),7.19(m,2H,Ph,H),3.89(s,2H,S-CH2).IR(KBr,cm'1):3339(dnh),1699(dc=0),1588(vasN02),1437(uN=N),1339(dsN02),1271,1148,740(vc.s).MS(ESI):m/z423.3(M+l).C20H14N4O3S2(422.05).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-iV-(2-硝基-4-甲基苯基)乙酰胺7c-8,淺黃色針晶,84.3%。mp:159-16rC.產(chǎn)物譜圖數(shù)據(jù)如下'H-麗R(CDC13,ppm)5:10.96(brs,1H,NH),8.48(d,1H,J-8.4Hz,Ph,H),8.43-7.52(m,7H,naphthalene-H),8.07(dd,1H,凡8Hz,^8.4Hz,Ph,H),7.38(m,1H,Ph,H),3.90(s,2H,S-CH2):2.36(s,3H,CH3).IR(KBr,cm.1):3313(uNH),1696(uc=0),1516(vasN02),1446(uN=N),1340(ds腿),1278,825,751(vC-S).MS(ESI):m/z437.3(M+1).C21H16N403S2(436.07).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AK2-甲基苯基)乙酰胺7c-9,白色針晶,80.7%。mp:138-140°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)5:9.72(brs,1H,NH),8.40-7.56(m,7H,naphthalene-H),7.71(d,1H,7=8.4Hz,Ph,H),7.21(t,1H,Ph,H),7.18(m,2H,Ph,H),3.94(s,2H,S-CH2),2.01(s,3H,CH3).IR(KBr,cm.1):3213(tjnh),3051,2969,2912,2855,1649(uc=0),1539,1457(dn=n),1228,748(i)c-s).MS(ESI):m/z392.2(M+l).C21H17N3OS2(391.08).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰萄-W-苯基乙酰胺7c-10,白色針晶,76.1%。mp:171-173°C.產(chǎn)物譜圖數(shù)據(jù)如下^-NMR(CDC13,ppm)5:10.24(brs,1H,NH),8.41-7.56(m,7H,naphthalene-H),7.43(d,2H,19/=7.8Hz,Ph,H),7.30(dt,2H,Ph,H),7.11(dt,1H,Ph,H),3.86(s,2H,S-CH2).IR(KBr,cm—1):3285(vNH),1653(\)C-0),1530,1445(uN=N),756,749(dc_s).MS(ESI):m/z378.3(M+1).C20H15N3OS2(377.07).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AK4-甲基苯基)乙酰胺7c-ll,白色針晶,78.4%。mp:163-165°C.產(chǎn)物譜圖數(shù)據(jù)如下!H國(guó)NMR(CDC13,ppm)S:10.27(s,1H,NH),8.37(s,1H,naphthalene-l'-H),8.17(dd,1H,J尸1.8Hz,/產(chǎn)8.4Hz,naphthalene-4'-H),8.01(dd,1H,J-8.4Hz,naphthalene陽(yáng)3'-H),7.91-7.86(m,2H,naphthalene-5',8'-H),7.57(m,2H,naphthalene-6',7'-H),7.18(d,2H,J-8.4Hz,Ph,H),7.06(d,2H,盧8.4Hz,Ph,H),3.86(s,2H,S-CH2),2.29(s,3H,CH3).IR(KBr,cm"):3244(unH),3052,2915,1651(uc=0),1541,1405(u關(guān)),1227,813,751(uc—s).MS(ESI):m/z391.9(M+1).C21H17N3OS2(391.08).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AK4-氯苯基)乙酰胺7c-12,白色晶體,69.0%。mp:147陽(yáng)149。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-麗R(CDC13,卯m)S:10.33(s,1H,NH),8.39(s,1H,naphthalene-l'-H),8.16(dd,1H,J尸1.8Hz,J產(chǎn)8.4Hz,naphthalene-4'-H),8.05(dd,1H,聲8.4Hz,naphthalene-3'-H),7.94-7.81(m,2H,naphthalene-5',8'-H),7.59(m,2H,naphthalene-6',7'-H),7.20(d,2H,/=9Hz,Ph,H),7.15(d,2H,《/=9Hz,Ph,H),3.86(s,2H,S-CH2).IR(KBr,cm"):3241(\>nH),1652(vc=0),1595,1539,1491(vN=N),827,746(vc.s).MS(ESI):m/z412.3(M+1),414.3(M+3).C20H14C1N3OS2(411.03).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AK2,3-二甲基苯基)乙酰胺7c-13,白色針晶,68.7%。mp:171-173。C.產(chǎn)物譜圖數(shù)據(jù)如下'H-畫R(CDC13,卯m)S:9.69(brs,1H,NH),8.39-7.55(m,7H,naphthalene-H),7.35(d,1H,戶7.8Hz,Ph,H),7.07(t,1H,Ph,H),7.00(d,1H,/=7.8Hz,Ph,H),3.92(s,2H,S-CH2),2.22(s,3H,CH3),1.93(s,3H,CH3).IR(KBr,cm-1):3246(uNH),3050,2966,2915,2852,1652(vo0),1538,1472(uN=N),777,745(\)C-S).MS(ESI):m/z406.4(M+1).C22H19N3OS2(405.1).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AH2,6-二甲基苯基)乙酰胺7c-14,白色針晶,74.2%。mp:188-190。C.產(chǎn)物譜圖數(shù)據(jù)如下!H-雇R(CDC13,ppm)5:8.38(s,1H,naphthalene-l'-H),8.17(dd,1H,J產(chǎn)1.8Hz,J產(chǎn)8.4Hz,naphthalene-4'-H),8.07(dd,1H,J:8.4Hz,naphthalene-3'-H),7.95-7.90(m,2H,naphthalene-5',8'-H),7.57(m,2H,naphthalene-6',7'-H),7.50(brs,lH,NH),7.09(t,1H,Ph,H),7.03(m,2H,Ph,H),3.97(s,2H,S-CH2),2.06(s,6H,CH3).IR(KBr,cm"):3235(uNH),3034,2960,2922,2852,1655(uc=0),1533,1474,1440(uN=N),1224,760,747(uC-S).MS(ESI):m/z406.4(M+1).C22H19N3OS2(405.1).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-iV-(吡啶-2-基)乙酰胺7c-15,灰白色固體,79.7%。mp:186-188°C.產(chǎn)物譜圖數(shù)據(jù)如下20!H-醒R(CDC13,ppm)S:8.76(s,1H,NH),8.42-7.54(m,7H,naphthalene-H),8.20(d,1H,7=4.2Hz,pyridine-H),8.13(d,lH,《/=8.4Hz,pyridine-H),7.73(m,1H,pyridine-H),7.06(dd,1H,7=4.8Hz,j=7.2Hz,pyridine-H),3.87(s,2H,S-CH2).IR(KBr,cm-1):3215(uNH),1683(dc=0),1585,1539,1445(u關(guān)),1314,1163,785,747(dc_s).MS(ESI):m/z351.3(M-N2+l),379.3(M+l),401.3(M+Na).C19H14N4OS2(378.06).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-iV-(噻唑-2-基)乙酰胺7c-16,白色粉末,85.8%。mp:219-221°C.產(chǎn)物譜圖數(shù)據(jù)如下^-NMR(CDC13,ppm)5:12.56(brs,IH,NH),8.41-7.61(m,7H,naphthalene-H),7.51(d,1H,7=3.6Hz,thiazole-H),7.27(d,1H,《/=3.6Hz,thiazole-H),4.33(s,2H,S-CH2).IR(KBr,cm—1):3193("nh),1687(uc=0),1589,1403(vN=N),1325,1229,1172,1162,969,750(vC-S).MS(ESI):m/z385.2(M+1),407.3(M+Na).C17H12N4OS3(384.02).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-AK5-甲基苯并[d]噻唑-2-基)乙酰胺7c-17,白色針晶,58.7%。mp:196-198°C.產(chǎn)物譜圖數(shù)據(jù)如下ifi-NMR(CDC13,ppm)S:12.71(brs,IH,NH),8.42-7.59(m,7H,naphthalene-H),7.77(s,IH,Ph,H),7.65(d,1H,《/=8.4Hz,Ph,H),7.27(d,1H,風(fēng)4Hz,Ph,H),4.36(s,2H,S-CH2),2.50(s,3H,CH3).IR(KBr,cm-1):3207(vNH),2997,2919,2854,1698(vCo),1608,1553,1463(uN=N),816,748(dc.s).MS(ESI):m/z449.3(M+l).C22H16N4OS3(448.05).2-(4-(2-萘基)-l,2,3-噻二唑-5-巰基)-W-(3-甲氧羰基噻吩-2-基)乙酰胺7c-18,白色固體,74.5%。mp:109-lll°C.產(chǎn)物譜圖數(shù)據(jù)如下iH-NMR(CDC13,ppm)S:10.94(brs,1H,NH),8.46-7.54(m,7H,naphthalene-H),8.02(d,IH,/=6.0Hz,thiophene-H),7.46(d,1H,J-6.0Hz,thiophene陽(yáng)H),3.87(s,2H,S-CH2),3.80(s,3H,OCH3).IR(KBr,cm懇1》3291(dnh),1673(uc=0),1576(vc=0),1445(u關(guān)),1281,1249,779,749(Dos).MS(ESI):m/z442.3(M+l).C2oH15N303S3(441.03).2權(quán)利要求1.2-(4-取代芳基-1,2,3-噻二唑-5-巰基)-N-取代芳基乙酰胺類衍生物的制備方法,其關(guān)鍵合成路線如下其中R為2-氟苯基、2-氯苯基、2-氯-3-吡啶基、2-溴苯基、2-溴-4-甲基苯基、2-溴-4-甲酮基苯基、2-硝基苯基、2-硝基-4-甲基苯基、2-甲基苯基、苯基、4-甲基苯基、4-氯苯基、2,3-二甲基苯基、2,6-二甲基苯基、2-吡啶基、2-噻唑基、5-甲基-2-苯并[d]噻唑基或3-甲氧羰基-2-噻吩基;其中Ar為各種取代芳基;優(yōu)選的,Ar為3,4-二氯苯基、2,4-二溴苯基或β-萘基之一;該合成路線的操作步驟如下利用中間體4-取代芳基-1,2,3-噻二唑-5-巰鈉鹽6,通過(guò)與各種取代芳胺的烴化反應(yīng),然后經(jīng)重結(jié)晶純化得到2-(4-取代芳基-1,2,3-噻二唑-5-巰基)-N-取代芳基乙酰胺類衍生物,具體步驟如下取4-取代芳基-1,2,3-噻二唑-5-巰鈉鹽(6)1.05mmol(0.3g)溶于30ml無(wú)水乙醇,加入1mmol的2-氯乙酰芳胺(0.11g),室溫?cái)嚢柚劣写罅抗腆w析出,減壓濃縮,加入30ml二氯甲烷,3×30ml水洗,有機(jī)相用無(wú)水硫酸鈉干燥,濃縮,乙醇重結(jié)晶得目標(biāo)化合物(7);其中取代基2-氯乙酰芳胺為2-氯乙酰-N-(2-氟苯基)、2-氯乙酰-N-(2-氯苯基)、2-氯乙酰-N-(2-氯-3-吡啶基)、2-氯乙酰-N-(2-溴苯基)、2-氯乙酰-N-(2-溴-4-甲基苯基)、2-氯乙酰-N-(2-溴-4-甲酮基苯基)、2-氯乙酰-N-(2-硝基苯基)、2-氯乙酰-N-(2-硝基-4-甲基苯基)、2-氯乙酰-N-(2-甲基苯基)、2-氯乙酰-N-苯基、2-氯乙酰-N-(4-甲基苯基)、2-氯乙酰-N-(4-氯苯基)、2-氯乙酰-N-(2,3-二甲基苯基)、2-氯乙酰-N-(2,6-二甲基苯基)、2-氯乙酰-N-(2-吡啶基)、2-氯乙酰-N-(2-噻唑基)、2-氯乙酰-N-(5-甲基-2-苯并[d]噻唑基)或2-氯乙酰-N-(3-甲氧羰基-2-噻吩基);其中4-取代芳基為3,4-二氯苯基、2,4-二溴苯基或β-萘基之一。全文摘要本發(fā)明提供了2-(4-取代芳基-1,2,3-噻二唑-5-巰基)-N-取代芳基乙酰胺類衍生物的新型制備方法,關(guān)鍵反應(yīng)路線如上其中R為2-氟苯基、2-氯苯基、2-氯-3-吡啶基、2-溴苯基、2-溴-4-甲基苯基、2-溴-4-甲酮基苯基、2-硝基苯基、2-硝基-4-甲基苯基、2-甲基苯基、苯基、4-甲基苯基、4-氯苯基、2,3-二甲基苯基、2,6-二甲基苯基、2-吡啶基、2-噻唑基、5-甲基-2-苯并[d]噻唑基或3-甲氧羰基-2-噻吩基;其中Ar為各種取代芳基。優(yōu)選的,Ar為3,4-二氯苯基、2,4-二溴苯基或β-萘基之一。文檔編號(hào)C07D285/06GK101585819SQ20091001641公開日2009年11月25日申請(qǐng)日期2009年6月19日優(yōu)先權(quán)日2009年6月19日發(fā)明者劉新泳,鵬展,方增軍申請(qǐng)人:山東大學(xué)