CN1099750A - 4-氧代氮杂环丁烷-2-磺酰胺及其盐,其制备方法和应用 - Google Patents

4-氧代氮杂环丁烷-2-磺酰胺及其盐,其制备方法和应用 Download PDF

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CN1099750A
CN1099750A CN93117362A CN93117362A CN1099750A CN 1099750 A CN1099750 A CN 1099750A CN 93117362 A CN93117362 A CN 93117362A CN 93117362 A CN93117362 A CN 93117362A CN 1099750 A CN1099750 A CN 1099750A
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科瓦策维克·迈斯
赫赖克·居里·J
曼迪克·佐拉
卢基克·艾伦纳
托米克·米尔加纳
布里克·辛卡
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Abstract

通式I所示的4-氧代氮杂环丁烷-2-磺酰胺及 其盐,
其制备方法及其在β-内酰胺类似物合成中作为 中间化合物的应用或作为制造抗菌治疗制剂的有效 物质的应用。

Description

本发明涉及新的4-氧代氮杂环丁烷-2-磺酰胺及其盐,其制备方法及其制备药物的应用。
文献中记载了一些4-氧代氮杂环丁烷磺酸,最为人们所知的是4-氧代氮杂环丁烷-1-磺酸[Che mistry in Britain(1983)302];属于这类化合物的有β-内酰胺抗生Aztreonam[Drugs of the Future 8(1983)295]。
还已知一些经双环分子开环[Angew./Chem.95(1983)912],或经相应的4-氧代氮杂环丁烷-2-磺酸衍生物氧化[YU专利申请P-240/91、YU专利申请P-1390/91及EU专利申请92102335.4/92]得到的4-氧代氮杂环丁烷-2-磺酸。
同样,还已知一些4-氧代氮杂环丁烷-2-磺酸衍生物,例如其酰氯[DE专利申请255671/76]、其酯[Croat.Chem.Acta62(1989)521-527]及其硫酯[J.Chem.Soc.Chem.Commun.23(1972)1304-1305]。
根据本申请人对现有技术的一些了解,4-氧代氮杂环丁烷-2-磺酰胺及其盐还未为人们所知。
本发明的主题是通式Ⅰ的新的4-氧代氮杂环丁烷-2-磺酰胺及其盐,
Figure 931173620_IMG4
式中各基团的含义如下:
R1为氢、卤素,
R2为氢、卤素、NH2、苯基-CH2CONH、苯基OCH2CONH、苯二酰亚氨基、o-MeNHCOC6H4CONH、异噁唑基羰基氨基,
R3为氢、Me2C=C-COOMe、H2C=C(Me)-CH-COOMe、Me2C=C-COOCH2苯基、H2C=C(Me)-CH-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4Me-m、H2C=C(Me)-CHO-OCH2C6H4Me-m、Me2C=C-COOH,
R4为氢或钠,以及
R5为氢、烷基、苄基或一个杂环如异噁唑、吡唑等。
本发明的另一个主题,是制备通式Ⅰ所示的新的4-氧代氮杂环丁烷-2-磺酰胺的方法,式中所引用的基团具有上文所述的含义,该方法借助通式Ⅱ所示的4-氧代氮杂环丁烷-2-磺酰胺的氧化来进行,
Figure 931173620_IMG5
式中各基团的含义如下:
R1为氢或卤素,
R2为氢、卤素、NH2、苯基-CH2CONH、苯基CH2CONH、苯二酰亚氩基、o-MeNHCOC6H4CONH、异噁唑基羰基氨基,
R3为Me2C=C-COOMe、H2C=C(Me)-CH-COOMe、Me2C=C-COOCH2苯基、H2C=C(Me)-CH-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4Me-m、H2C=C(Me)-CHCOOCH2C6H4Me-m,
R4为氢,以及
R5为氢、烷基、苄基或一个杂环如异噁唑、吡唑等。
该氧化反应在有机化学已知氧化反应中通常的氧化剂如过氧化氢、过乙酰乙酸、m-氯代过苯甲酸及高锰酸钾中,在一种酸性或中性的水或水-有机介质中,在0-100℃的温度下进行。所有反应均以常规反应条件、摩尔比并借助标准分离步骤进行。取决于不同氧化剂种类,这些摩尔比及反应温度,会得到不同的4-氧代氮杂环丁烷-2-磺酰胺的衍生物,例如在各实施例中所述及。取决于不同方式及分离方法,4-氧代氮杂环丁烷-2-磺酰胺可以游离酰胺或其无机酸盐的形式制得。氨基及羧基保护基团则以常规的已知方法加以脱除。
如美国专利US4,052,387(1977)中所述,通式Ⅱ所示的磺酰胺通过相应的亚磺酰氯与胺的反应来制备。这种亚磺酰氯以青霉素亚砜[如美国专利US4,081,440(1978)中所述]或以亚磺酸[如Croat.Chem.Acta62(1989)521中所述]为原料现用现制备。
本发明的另一主题,是本发明的新化合物在制备各种β-内酰胺类化合物,尤其是制备新双环体系时作为中间化合物的应用。
本发明的另一主题,是本发明化合物制造具抗菌药效制剂中的有效物质的应用。
下面以实施例来阐明本发明。
实施例1
(2R,3R)1-(1′-甲氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷
在(5R,6R)6-苯氧基乙酰氨基青霉烷酸-亚砜-甲基酯(1.9g,5mMol)溶于无水甲苯(215ml)所成的溶液中,加入氧化钙(1.65g,28.4mMol)及N-氯代琥珀酰亚胺(0.85g,6.4mMol),并将该反应混合物在氮气流中,在沸点温度下搅拌1.5小时。将其冷至0℃、加入苄胺(2.26g,21mMol),并再搅拌2小时。过滤反应混合物,用水(2×90ml)洗涤母液,脱水(Na2SO4),过滤并真空浓缩。在硅胶柱上用二氯甲烷:甲醇溶剂混合液(20∶1)洗脱残留物。将所得到的立体异构的(2R,3R)1-(1′-甲氧氧羰基-2′-甲基-丙-1′烯基)-2-苄基-氨基亚磺酰-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷混合物(1.8g,74.4%)[大量异构体
1H NMR(CDCl3)δ:2.13及2.26(6H 2s,CMe2),3.75(3H,s,OMe),4.13-4.50(5H,m,CH2N,CH2O,SNH),4.95(1H,d,J 5.0Hz,C2H),5.87(1H,dd,J 5.0及10.0 Hz,C3H),6.75-7.37(5H,m,C6H5O),8.47(1H,d,J 10.0Hz CONH)ppm]
溶于二氯甲烷(35ml)及甲酸(7ml)中,加入含水(30%)H2O2溶液(28ml),并在室温下搅拌反应混合物6小时。分离出有机萃取物,用水洗涤,脱水(Na2SO4),过滤并浓缩。剩下的是一种泡沫状产物(1.98g,95%):
Rf0.55(CH2Cl2∶MeOH=20∶1);
IR(KBr)3420-3230m,1785s,1735m,1690s,1605m,1530s,1495m,1440m,1370m,1335m,1225s,1162s,1065s,995w cm-1;
1HNMR(CDCl3)δ:2.09及2.25(6H,2s,CMe2),3.69(3H,s,OMe),4.09-4.41(5H,m,CH2N,CH2O,SNH),4.80(1H,d,J 5.3Hz,C2H),5.83(1H,dd,J及10.8Hz,C3H),6.87-7.44(5H,m,C6H5O),7.77(1H,d,J10.8Hz,CONH)ppm。
实施例2
(2R,3R)1-(1′-甲氧羰基-2′-甲基-丙-2′-烯基)-2-[(5′-甲基-异噁唑-3′-基)]氨基磺酰基-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷
使(5R,6R)6-苯氧基乙酰氨基青霉烷酸-亚砜-甲基酯(1.9g,5mMol)与N-氯代琥珀酰亚胺,如实施例1所述那样进行反应,尔后以3-氨基-5-甲基异噁唑(2.06g,21mMol)代替苄基胺加入其中。经搅拌并处理反应混合物后,分离(2R,3R)1-(1′-甲氧羰基-2′-甲基-丙-2′-烯基)-2-[(5′-甲基-异噁唑-3′-基)]氨基亚磺酰基-]-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷的立体异构混合物。浓缩甲苯溶液后,熔点为185-190℃的异构体结晶出来
[1H NMR(CDCl3)δ:1.99(3H,s,Me),2.15(3H,s,Me-异噁唑),3.85(3H,s,OMe),4.43(2H,bs,OCH2),5.05(1H,s,NCHCO),5.09及5.27(2H,2bs,=CH2),5.37(1H,d,J 4.5Hz,C2H),5.79(1H,s,CH-异噁唑),5.84(1H,dd,J 4.5及9.5 Hz,C3H),6.95-7.34(5H,m,C6H5O),7.70(1H,d,J 9.5Hz,CONH),8.29(1H,s,SNH)ppm;Anal.C21H23O8N4S;gef:C,52.42;H,5.82;N,12.02;S,6.34%;ber.;C,52.93;H,5.08;N,11.76;S,6.73%]。
将吸出的结晶溶于二氯甲烷及甲酸,并如实施例1中所提及的那样,用过氧化氢进行氧化,此时制得泡沫状产物:Rf为0.20(CH2Cl2∶MeOH=20∶1);
IR(KBr)3400-3000m,1795vs,1750s,1690m,1620m,1605m,1535-1494s,1465m,1440m,1245s,1165s,cm-1;
1HNMR(CDCl3)δ:1.91(3H,s,Me),2.18(3H,s,Me-异噁唑),3.79(3H,s,OMe),4.44(2H,bs,OCH2),4.90(1H,s,NCHCO),5.00及5.17(2H,2bs,=CH2),5.46(1H,d,J 5.0Hz,C2H),
6.01(1H,dd,J5.0及10.3Hz,C3H),6.82-7.41(5H,m,C6H5O),7.75(1H,d,J 10.3Hz,CONH)ppm。
实施例3
(2R,3R)1-(1′-甲氧羰基-2′-甲基-丙-1′烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基磺酰基]-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷
将按实施例2制得的亚磺胺(熔点185-190℃)溶于二氯甲烷,并在室温下同三乙基胺一起搅拌2小时。经处理反应混合物后,以硅胶柱色谱分离得(2R,3R)1-(1′-甲氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基磺酰基]-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷(收率为80%):
1H NMR(CDCl3)δ:2.06及2.19(6H,2s,Me2),2.25(3H,s,Me-异噁唑),3.76(3H,s,OMe),4.31及4.40(2H,ABq,J 15.0 Hz,OCH2),5.34(1H,d,J 5.0Hz,C2H),5.80(1H,s,CH-异噁唑),5.60(1H,dd,J 5.0及8.8Hz,C3H),6.84-7.32(5H,m,C6H5O=,7.92(1H,d,J 8.8Hz,CONH),8.43(1H,s,SNH=ppm)。
接着如实施例1中所述,将其用H2O2氧化。得泡沫状产物,收率为85%。
Rf0.24(CH2Cl2∶MeOH=20∶1);
IR(KBr)1790s,1735m,1700s,1620m,1540-1495s,1465m,1440m,1380m,1230s,1165s cm-1;
1H NMR(CDCl3)δ:2.09及2.22(6H2s,CMe2),2.26(3H,s,Me-异噁唑),3.71(3H,s,OMe),4.46及4.57(2H,ABq J 15.0 Hz,OCH2),4.57(1H,s,SNH)5.54(1H,d,J5.2Hz,C2H),6.07(1H,s,CH-异噁唑),6.06(1H,dd,J 5.2及10.4Hz,C3H),6.95-7.37(5H,m,C6H5O),7.76(1H,d,J 10.4Hz,CONH),ppm。
实施例4
(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-2′-烯基)-2-[(5′-甲基异唑-3′-基)氨基磺酰基]-3-苯二酰亚氨基-4-氧代氮杂环丁烷
如实施例1中所述,使(5R,6R)6-苯二酰亚氨基青霉烷酸-亚砜-p-硝基苄基酯(1.5g,3mMol)与N-氯代琥珀酰亚胺(0.4g,3mMol)反应,尔后加入3-氨基-5-甲基-异噁唑(1.18g,12mMol),并在10℃下将反应混合物搅拌4小时。滗出甲苯溶液,用水洗涤,脱水,过滤并真空浓缩。在二氯甲烷∶乙酸乙酯溶剂体系(4∶1)中,用硅胶柱色谱分离得0.88g(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-2′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-苯二酰亚氨基-4-氧代氮杂环丁烷:
[1H NMR(CDCl3)δ:1.90(3H,s,Me),2.27(3H,s,Me-异噁唑),4.76(1H,bs,NCHCO),4.92及5.06(2H,2bs,=CH2),5.25(2H,bs,OCH2),5.67(1H,d,J5.4Hz,C2H),6.09(1H,d,J 5.4Hz,C3H),7.20(1H,bs,CH-异噁唑),7.52及8∶20(4H,2d,J 9.04Hz,C6H4NO2),7.71-7.95(4H,m,苯二酰亚氨基),及8.05(1H,bs,SNH)ppm]。
如实施例1中所述,在二氯甲烷(15ml)及甲酸(2ml)中与H2O2(12ml,30%水溶液)反应,生成0.63g磺酰胺:
Rf0.58(CH2Cl2∶MeOH=9∶1);
IR(KBr)1805s,1790s,1735vs,1615m,1525m,1475m,1390s,1350s,1270w,1170w,1110w,720m cm-1;
1H NMR(CDCl3)δ:2.02(3H,s,Me),2.22(3H,s,Me-异噁唑),
4.98(1H,s,NCHCO),5.09-5.35(4H,m,=CH2,OCH2),
5.57(1H,d,J 4.5Hz,C2H),5.76(1H,d,J4.5Hz,C3H),
5.97(1H,s,CH-异噁唑),7.51及8.15(4H,2d,J8.4 Hz,C6H4NO2),7.69-8.05(4H,m,苯二酰亚氨基)ppm]。
实施例5
(2R,3R)-2-苄基氨基磺酰基-3-苯基乙酰氨基-4-氧代氮杂环丁烷
如实施例1中所述,使(5R,6R)6-苯基乙酰氨基青霉烷酸-亚砜-p-硝基苄基酯(2.10g,4.3mMol)与N-氯代琥珀酰亚胺(0.72g,5.4mMol)进行反应,接着用苄基胺(1.5ml)制备(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基-氨基-亚磺酰基-3-苯基乙酰氨基-4-氧代氮杂环丁烷的立体异构混合物(1.78g,69.4%):[大量立体异构体
1H NMR(DMSO-d6)δ:2.11及2.25(6H,2s,CMe2),3.53(2H,s,CH2CO),3.81-4.36(3H,m,SNHCH2),4.78(1H,d,J 5.4Hz,C2H),5.24(2H,bs,OCH2),5.70(1H,dd,J 5.4及9.0Hz,C3H),6.65(1H,d,J 9.0Hz,CONH),7.07-7.35(10H,m,2C6H5),7.44及8.17(4H,2d,J 9.0Hz,C6H4NO2)ppm]。
将该产物溶于乙酸乙酯(25ml)及80%乙酸(25ml)中,并在0℃下,在1小时时间内滴加4%高锰酸钾水溶液(50ml)。滴加30%H2O2溶液,至高锰酸盐颜色消失。分离出有机萃取物,用NaHCO3水溶液和水洗涤,脱水(Na2SO4)并真空浓缩。以硅胶柱色谱法用二氯甲烷∶乙酸乙酯溶剂体系(4∶1)洗脱,分离得0.3g(23.5%)熔点为135-137℃的磺酰胺:
Rf0.92(n-BuOH∶HOAc∶H2O=4∶1∶1);
IR(KBr)3360m,3290m,1770vs,1655s,1515m,1320s,1135s,720scm-1;
1H NMR(DMSO-d6)δ:3.56(2H,bs,CH2CO),4.15-4.20(2H,m,NCH2),
4.85(1H,d,J 4.7Hz,C2H),5.57(1H,dd,J 4.7及9.5 Hz,C3H),7.25及7.38(10H,2 bs,2C6H5),7.87-7.93(1H,m,SNH),8.49(1H,d,J 9.5Hz,CONH)9.24(1H,bs,N1H)ppm;
分析:C18H19N3O4S
实测:C 57.70,H 5.90,N 11.74,S 8.47%
计算:C 57.89,H 5.13,N 11.25,S 8.59%。
实施例6
(2R,3R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基-磺酰基]-3-苯基乙酰氨基-4-氧代氮杂环丁烷
如实施例1中所述,使(5R,6R)6-苯基乙酰氨基青霉烷酸-亚砜-p-硝基苄酯(3.0g,6.2mMol)与N-氯代琥珀酰亚胺(1.0g,7.5mMol)进行反应,而后加入3-氨基-5-甲基-异噁唑(2.4g,25mMol),并在5℃下将反应混合物搅拌3小时。滗出甲苯溶液,用水洗涤,脱水并真空浓缩。得1.43g(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-2′-烯基)-2-[5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-苯乙酰亚氨基-4-氧代氮杂环丁烷[熔点:157-160℃;
1H NMR(CDCl3)δ:1.93(3H,s,Me),2.35(3H,s,Me-异噁唑),3.61(2H,s,CH2CO),4.94(1H,bs,NCHCO),5.07及5.19(2H,2bs,=CH2),5.13(1H,d,J4.8Hz,C2H),5.28(2H,bs,OCH2),5.57(1H,bs,CH-异噁唑),5.77(1H,dd,J 4.8及9.0Hz,C3H),7.22(5H,bs,C6H5),7.44(1H,d,J 9.0Hz,CONH),7.49及8.21(4H,2d,J8.8Hz,C6H4NO2)ppm],
它在三乙胺及二氯甲烷中,经搅拌转化为(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-苯乙酰氨基-4-氧代氮杂环丁烷
[1H NMR(CDCl3)δ:2.18及2.22(6H,2s,CMe2),2.34(3H,s,Me-异噁唑),3.61(2H,s,CH2CO),5.11(1H,d,J 4.9Hz,C2H),5.25(2H,s,OCH2),5.64(1H,dd,J 5.0及8.4Hz,C3H),5.63(1H,s,CH-异噁唑),7.24(5H,s,C6H5),7.26(1H,d,J 8.4 Hz,CONH),7.47及8.18(4H,2d,J 8.5Hz,C6H4NO2)ppm]。
将所得的亚磺酰胺,如实施例1中所述,用H2O2氧化成(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-[5′-甲基-异噁唑-3′-基)氨基磺酰基-3-苯乙酰氨基-4-氧代氮杂环丁烷。
[Rf0.57(CH2Cl2∶MeOH=8∶1)IR(KBr)3680-2500m,1785s,1730m,1665s,1615m,1520s,1350s,1215m,1160m cm-1;1H NMR(CDCl3)δ:1.99及2.15(6H,2s,CMe2),2.28(3H,s,Me-异噁唑),3.59(2H,s,CH2CO),5.19(2H,s,OCH2),5.44(1H,d,J 5.3Hz,C2H),5.81(1H,s,CH-异噁唑),5.84(1H,dd,J 5.3及9.9Hz,C3H),6.84(1H,d,J 9.9Hz,CONH),7.28(5H,s,C6H5),7.45及8.17(4H,2d,J 8.9Hz,C6H4NO2)ppm]。
接着,将所得的磺酰胺溶于甲醇(25ml),并在2.4巴压力下,用10%披钯炭(50mg)氢化2小时。将反应混合物过滤,真空浓缩母液。使残留物溶于二氯甲烷(20ml)及水(20ml),添加NaHCO3)将pH值调至8.5。分离出水萃取物,用新鲜二氯甲烷振摇萃取,再加入一份二氯甲烷(15ml),并添加盐酸,将pH值调至2.2。分离出有机萃取物,脱水(Na2SO4),过滤并真空蒸发。得0.14g(52.4%)产物。
Rf0.48(CH2Cl2∶MeOH=3∶2)
IR(KBr)3660-2300bm,2910m,1790s,1680bs,1620s,1465m,1270m,1165m,930w cm-1;
1H NMR(CDCl3)δ:1.93及2.07(6H,2s,CMe2),2.35(3H,s,Me-异噁唑),3.67(2H,s,CH2CO),5.68(1H,d,J 5.2Hz,C2H),6.0(1H,dd,J 5.2及9.3Hz,C3H),6.12(1H,s,CH-异噁唑),6.63(1H,d,J9.3Hz,CONH),7.27-7.31(5H,m,C6H5)ppm。
实施例7
(2R,3R)1-(1′-m-甲基苄氧羰基-2′-甲基-丙-2′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基磺酰基]-3-[(3′-o-氯代苯基-5′-甲基-异噁唑-4′-基)羧基酰氨基]-4-氧代氮杂环丁烷
如实施例1中所述,使(5R,6R)6-(3′-o-氯代苯基-5′-甲基异噁唑-4-基)羧基酰氨基青霉烷酸-亚砜-m-甲基苄基酯(2.0g,3.6mMol)与N-氯代琥珀酰亚胺反应,而后加入3-氨基-5-甲基异噁唑(1.1g,11mMol),并在室温下搅拌反应混合物3小时。过滤该混合物,用水(3×60ml)萃取母液,脱水(Na2SO4),过滤并真空浓缩。制得1.92g(2R,3R)1-(1′-m-甲基-苄氧羰基-2′-甲基-丙-2′-烯基)-2-[5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-[3′-o-氯代苯基-5′-甲基-异噁唑-4′-基)羧基酰氨基]-4-氧代氮杂环丁烷的立体异构物混合物[Rf为0.40及0.26,在二氯甲烷:乙酸乙酯(4∶1)中]。将该产物溶于二氯甲烷及甲酸,并如实施例1中所述,用H2O2氧化。将粗产物在硅胶柱上并经用二氯甲烷:乙酸乙酯溶剂混合液洗脱来进行色谱分离。制得0.62g(44%)磺酰胺:
Rf0.55(CH2Cl2∶MeOH=10∶1);
IR(KBr)3405w,1795vs,1745s,1680vs,1620s,1520s,1465s,1385m,1340m,1265m,1160m,770m cm-1;
1H NMR(CDCl3)δ:1.79(3H,s,Me),2.31(3H,s,苯基-Me),2.35及2.72(6H,2s,2Me-异噁唑)4.85(1H,s,NCHCO),4.90及5.10(2H,2s,=CH2),5.08及5.13(2H,ABq,J 120 Hz,OCH2),5.44(1H,d,J 5.0 Hz,C2H),5.95(1H,dd,J 5.0及9.6Hz,C3H),6.04(1H,s,CH-异噁唑),6.37(1H,d,J 9.6Hz,CONH),7.01-7.26及7.41-7.55(8H,2m,2C6H4)ppm。
实施例8
(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-3,3-二溴-4-氧代氮杂环丁烷
使(5R)6,6-二溴青霉烷酸-亚砜-苄基酯(7.0g,15mMol)如实施例1所述那样,与N-氯代琥珀酰亚胺进行反应,而后用苄胺(4ml,37.5mMol)使反应继续进行。抽出反应混合物,用水洗涤母液,脱水(Na2SO4),过滤并真空浓缩。粗产物在硅胶柱上经用二氯甲烷:乙酸乙酯(6∶1)溶剂混合液洗脱进行色谱分离,得3.08g(36%)(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基-亚磺酰基-3,3-二溴-4-氧代氮杂环丁烷
[1HNMR(CDCl3)d:1.84及2.26(6H,2s,CMe2),3.68-4.40(3H,m,SNHCH2),5.07及5.24(2H,ABq,J 12 Hz,OCH2),5.09(1H,s,C2H),7.10-7.30(10H,m,2C6H5)ppm],
将其在氯仿中用m-氯代过苯酸(1.2g,6mMol)氧化。该反应混合物在-10℃下搅拌20分钟,接着在室温下搅拌1小时。加入1M亚硫酸氢钠溶液(36ml,6mMol),分离出有机层,用水洗涤,脱水(Na2SO4),过滤并真空浓缩。
使残留物溶于二氯甲烷,并使之通过硅胶柱,制得2.1g(59%)熔点为120-122℃的白色结晶状产物:
Rf0.88(CH2Cl2/EtOAc=4∶1);
IR(KBr):3250vs,1780vs,1730vs,1640s,1444vs,1370b,1255s,1200s,1165vs,1055vs,755vs,700vs cm-1;
1H NMR(CDCl3)δ:2.09及2.28(6H,2s,CMe2),4.09(2H,d,J 5.8Hz,NCH2-苯基),4.63(1H,t,J 5.8Hz,SNH),5.08及5.34(2H,ABq,J11.7Hz,OCH2),5.32(1H,s,C2H),7.29-7.35(10H,m,2C6H5),ppm。
实施例9
(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)-氨基-磺酰基]-3,3-二溴-4-氧代氮杂环丁烷
a)使(5R)6,6-二溴青霉烷酸-亚砜-苄基酯(7.0g,15mMol)如实施例1所述,与N-氯代琥珀酰亚胺反应,接着,加入3-氨基-5-甲基-异噁唑(4.47g,45mMol),并在20℃温度下,将该反应混合物搅拌3小时。吸出沉淀物,使之干燥,将其溶于二氯甲烷(30ml),并在20℃温度下同三乙胺(1.5ml)一起搅拌1小时。将反应混合物用0.1N盐酸(pH)值为1-2)及水洗涤,对有机萃取物脱水(Na2SO4),过滤并真空浓缩。残留物由1.85g(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基-亚磺酰基]-3,3-二溴-4-氧代氮杂环丁烷组成[熔点:58-60℃;
Rf0.51(CH2Cl2∶EtOAc=4∶1);1H NMR(CDCl3)δ:1.88及2.13(6H,2s,CMe2),2.31(3H,s,Me-异噁唑),5.13(2H,s,OCH2),5.56(1H,s,C2H),5.67(1H,s,CH-异噁唑),7.35(5H,s,C6H5)及8.32(1H,s,SNH)ppm],
将其如实施例8中所述,用m-氯代过苯酸氧化。将粗产物在硅胶柱上,用二氯甲烷:乙酸乙酯(4∶1)溶剂混合液洗脱来进行色谱分离,得熔点为168-170℃的白色结晶状产物(52.6%):
Rf0.25(CH2Cl2∶EtOAc=4∶1);
IR(KBr):3160m,1780vs,1765vs,1625s,1500s,1395vs,1383s,1220s,1175vs cm-1;
1H NMR(CDCl3)δ:2.06及2.15(6H,2s,CMe2),2.37(3H,s,Me-异噁唑),5.05(2H,s,OCH2),5.70(1H,s,C2H),6.07(1H,s,CH-异噁唑),7.31(5H,s,C6H5)ppm。
b)将按上述方法制得的亚磺酰胺(0.85g,1.5mMol)溶于二氯甲烷(5ml)及甲酸(5ml),并在沸点温度下,在1小时时间内,用H2O2(0.56ml)将其氧化。在冷却后的反应混合物中加入水,分离出有机层,用5%NaHCO3溶液及水振摇萃取,脱水(Na2SO4),过滤并浓缩。制得同方法a)中完全相同的产物。
实施例10
(2R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-3,3-二溴-4-氧代氮杂环丁烷
在氮气流下,向用冰冷却的三氯化铝(0.4g,3mMol)二氯甲烷(15ml)悬浮液中,加入由(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-3,3-二溴-4-氧代氮杂环丁烷(0.59g,1mMol)及苯甲醚(0.65g,6mMol)溶于二氯甲烷(15ml)所成的溶液,并在室温下搅拌30分钟。向该反应溶液中掺加乙酸乙酯(15ml)及0.1N盐酸(5ml)。分离两层溶液,并用5%NaHCO3溶液(2×20ml)萃取乙酸乙酯层。再将各层分离开。水萃取物用0.1N盐酸将pH值调至1,加入新鲜乙酸乙酯(20ml),加入NaCl,并充分振摇。分离出乙酸乙酯层,再用饱和盐溶液洗涤,接着,脱水并真空浓缩。得0.49g(98%)熔点为47-50℃的产物:
Rf0.66(EtOAc∶MeOH=3∶1);
IR(Film):3300m,2960-2930m,1805vs,1700s,1625m,1425m,1350s,1160s cm-1;1H NMR(DMSO-d6)δ:1.98及2.23(6H,2s,CMe2),4.09及4.20(2H,ABX,J 5.7,6.0及15.2Hz,CH2Ph),5.51(1H,s,C2H),7.29-7.39(5H,m,C6H5),8.49(1H,dd,J 5.7及6.0Hz,NH),13.5(1H,b,COOH)ppm。
实施例11
(2R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-4-氧代氮杂环丁烷
将(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-4-氧代氮杂环丁烷-2-亚磺酸(3.23g,10mMol)溶于亚硫酰二氯(20ml),并在25℃下,将该溶液搅拌1小时。减压下,浓缩过量亚硫酰二氯,直至产生油状残留物,将残留物溶于二氯甲烷(50ml),将所成溶液冷至10℃,并在搅拌及冷却条件下,加入5%苄胺的二氯甲烷溶液,直至pH值达7.0,并在该温度下继续搅拌30分钟。吸出所沉淀的苄胺盐酸盐,并用二氯甲烷洗涤之。母液中加入水(50ml),用10%盐酸使该混合物酸化至pH值为1.3,并使各层分离,有机层重又用水洗涤,用Na2SO4脱水并蒸发至干。得到Rf值为0.64及0.72(CH2Cl2∶EtOAc=2∶1)的(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基亚磺酰基-4-氧代氮杂环丁烷立体异构体混合物(3.85g,93%),用硅胶柱色谱法将该混合物分离。[Rf值为0.64的物质:
IR(CH2Cl2):3020vs,2980s,1760vs,1700m,1415m,1260vs,1210s,1070m,900s,cm-1;1H NMR(CDCl3)δ:1.95及2.24(6H,2s,CMe2),3.11(1H,dd,J 5.0及15.3 Hz,αC3H),3.39(1H,dd,J 2.6及15.3 Hz,βC3H),4.0-4.3(3H,m,NHCH2),4.77(1H,2d,J 2.6及5.0Hz,C2H),5.08及5.29(2H,ABq,J 12.0 Hz,CH2苯基),7.32(10H,s,2C6H5)ppm;[Rf-值为0.72的物质IR(CH2Cl2):3025vs,2980s,1755vs,1700m,1420m,1260vs,1210s,1075m,900s cm-1;1H NMR(CDCl3)δ:2.08及2.21(6H,2s,CMe2),2.94及3.16(2H,2d,J 3.2及4.7Hz,βC3H及αC3H),4.19(3H,b,NHCH2),4.77(1H,dd,J 3.2及4.7Hz,C2H)5.06 und 5.28(2H,ABq,J 12.3 Hz,CH2苯基),7.32(10H,s,2C6H5)ppm]。
使该亚磺酰胺(Sulfinamid)(1.65g,4mMol)如实施例5中所述,与高锰酸钾反应。经短时间保持高锰酸钾颜色不变后,反应结束。经在硅胶柱上以CH2Cl2∶EtOAc=2∶1溶剂混合液洗脱进行色谱分离后,制得1.32g(77%)(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-4-氧代氮杂环丁烷。
[Rf0.62(苯∶EtOAc=2∶1);熔点:92-94℃;IR(KBr):3300vs,1775vs,1650vs,1430m,1350s,1335s,1290vs,1200m,1150s,1070w cm-1;1H NMR(CDCl3)δ:2.05及2.23(6H,2s,CMe2),3.16(2H,d,J 3.8 Hz,αC3H及βC3H),4.08(2H,d,J 5.9Hz,NCH2),4.50(1H,t,J 5.9Hz,NH),4.89(1H,t,J3.8Hz,C2H),5.09及5.18(2H,ABq,J 12.0 Hz,CH2-苯基),7.25及7.34(10H,2s,2C6H5)ppm]。
将所得磺酰胺(0.4g,1.16mMol)如实施例6所述,加以氢化及处理,得0.36g相应酸:
Rf0.88(n-BuOH∶HAc∶H2O=4∶1∶1);
IR(KBr):3260s,1760vs,1700s,1630m,1430m,1330s,1170s,1070m cm-1;
1H NMR(CDCl3)δ:2.09及2.26(6H,2s,CMe2),3.17(2H,d,J 4.1HzC3H),4.26(2H,s,NCH2),4.98(1H,t,J 4.1Hz,C2H),7.30(5H,s,C6H5)ppm。
实施例12
(2R)2-苄基氨基磺酰基-4-氧代氮杂环丁烷
a)将(2R)1-(1′-甲氧羰基-2′-甲基-丙-1′-烯基)-4-氧代氮杂环丁烷-2-亚磺酸(5.0g,20mMol)溶于亚硫酰二氯(20ml),并如实施例11中所述加以处理。制得Rf值为0.20及0.27(CH2Cl2∶EtOAc=2∶1)的(2R)1-(1′-甲氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基亚磺酰基-4-氧代氮杂环丁烷的立体异构体混合物(5.4g,80.4%),该混合物以色谱法在硅胶柱上予以分离[Rf值为0.2的物质:
IR(CH2Cl2):3200-3300m,2930m,1760vs,1715s,1220s,1080s cm-1;1H NMR(CDCl3)δ:1.99及2.23(6H,2s,CMe2),3.17(1H,dd,J 5.0及15.2Hz,αC3H),3.46(1H,dd,J 2.6及15.2 Hz,βC3H),3.75(3H,s,OCH3),4.15-4.30(1H,b,NH),4.23(2H,s,CH2苯基),4.92(1H,2d,C2H J 2.6及5.0Hz),7.31(5H,s,C6H5)ppm;Rf-为0.27∶IR(CH2Cl2):3300m,2950m,1775vs,1720s,1360s,1220s,1080s cm-1;1H NMR(CDCl3)δ:2.07及2.20(6H,2s,CMe2),2.97(1H,dd,J 3.1及15.5Hz,βC3H),3.25(1H,dd,J 5.0及15.5Hz,αC3H),3.73(3H,s,OCH3),4.15-4.33(1H,b,NH),4.26(2H,s,CH2Ph),4.83(1H,2d,J 3.1及5.0Hz,C2H),7.32(5H,s,C6H5)ppm]。
使亚磺酰胺(3.36g,10mMol)如实施例5中所述,与高锰酸钾反应。在油状产物(2.5g)中加入乙醚(30ml),并在室温下将所得的凝胶状物质搅拌8小时。吸出所沉淀的结晶状产物,并用乙醚洗涤之。
熔点.111-130℃;Rf0.10(Benzol∶EtOAc=3∶1);
IR(KBr):3300vs,1790vs,1740vs,1430s,1330s,1300s,1120s,1070s cm-1;
1H NMR(DMSO-d6)δ:2.96(3H,dd,J 2.1及15.2Hz,βC3H),3.29(1H,dd,J 4.7及15.2Hz,αC3H),4.23(2H,d,J 5.9Hz,NCH2),4.71(1H,dd,J 2.1及4.7 Hz,C2H),7.33(5H,s,C6H5),7.96(1H,t,J 5.9Hz,SNH),8.92(1H,s,N1H)ppm。
b)如实施例11中所述制备的(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-4-氧代氮杂环丁烷,相似于方法a),与高锰酸钾反应,制得完全相同的产物。
实施例13
(2R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-[(5′甲基-异噁唑-3′-基)氨基磺酰基]-4-氧代氮杂环丁烷
将(2R)1-(1′-苄基氧羰基-2′-甲基-丙-1′-烯基)-4-氧代氮杂环丁烷-2-亚磺酸(3.23g,10mMol)溶于亚硫酰二氯(10ml),将该溶液在25℃搅拌1小时。减压下浓缩过量亚硫酰二氯,得油状残留物。将该残留物溶于二氯甲烷(50ml),加入3-氨基-5-甲基-异噁唑(2.94g,30mMol),并室温下搅拌3小时。反应混合物中掺入水(50ml),并用10%盐酸将pH值调整至1.5。分离各层。有机层再用水(50ml)洗涤。再向有机层掺入水(50ml),并以饱和NaHCO3溶液调节pH值至8.0。分离各相,再用水洗涤有机层,用Na2SO4脱水,并蒸发至干。制得Rf值为0.29及0.35(CH2Cl2∶EtOAc=2∶1)的(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-4-氧代氮杂环丁烷的立体异构体混合物(3.8g,92.6%),该两种物质以硅胶柱色谱法加以分离。
[Rf值为0.29的物质:
IR(CH2Cl2)1780vs,1720m,1620s,1465s,1360s,1290m,1215s,1100s,1080m cm-1;1H NMR(CDCl3)δ:1.98及2.20(6H,2s,CMe2),2.34(3H,s,Me-异噁唑),3.28(1H,dd,J 4.7及15.5Hz,αC3H),3.54(1H,dd,J 2.6及15.5Hz,βC3H),5.06(1H,dd,J 2.6及4.7Hz,C2H)5.19(2H,s,CH2苯基),5.82(1H,s,CH-异噁唑),7.33(5H,s,C6H5),8.40(1H,s,NH)ppm;Rf:0.35;IR(CH2Cl2)1780vs,1725m,1630s,1470s,1360m,1290m,1220s,1100s cm-1;1H NMR(CDCl3)δ:2.09及2.24(6H,2s,CMe2),2.36(3H,s,Me-异噁唑),3.04(1H,dd,J 2.9及15.5 Hz,βC3H),3.30(1H,dd,J 5.0及15.5Hz,αC3H),5.11(1H,dd,J 2.9及J 5.0Hz,C2H),5.21(2H,s,CH2Ph),5.80(1H,s,CH-异噁唑),7.26(5H,s)ppm]。
在室温下,将由亚磺酰胺(4.03g,10mMol)、m-氯代过苯酸(4.30g,25mMol)及乙酸乙酯(50ml)组成的溶液搅拌24小时。反应结束后,滴入硫代硫酸钠水溶液(15mMol),并再搅拌30分钟。用5%NaHCO3水溶液,将该反应混合物的pH值调至8.5,并分离各层。水相以NaCl饱和,并用乙酸乙酯萃取(3×30ml)。将汇集后的有机层用盐水(30m洗涤,用Na2SO4脱水,并蒸发至干。制得钠盐形式的粗产物(3.5g,79%)。将粗产物溶于水,并用10%盐酸溶液酸化至pH为2.0,得(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基磺酰基]-4-氧代氮杂环丁烷[熔点:141-143℃(从乙醚中结晶出来);
Rf0.40(CH2Cl2∶EtOAc=2∶1);IR(KBr):3200s,1790vs,1720vs,1620s,1465s,1395s,1300s,1175s cm-1;1H NMR(CDCl3)δ∶2.02及2.14(6H,2s,CMe2),2.37(3H,s,Me-异噁唑),3.32(2H,d,J 3.5Hz,αC3H及βC3H),5.10(2H,s,CH2Ph),5.28(1H,t,J 3.5Hz,C2H),6.10(1H,s,CH-异噁唑),7.25(5H,s,C6H5)ppm.Anal:C19H21N3O6S;Gef:C,54.21;H,5.34;N,9.96,S,8.23%;Ber.:C,54.41,H,5.05,N,10.02,S,7.64%]。
如实施例6中所述,将所得磺酰胺(419mg,1mMol)氢化,并加以处理。得227mg(69%)产物:
Rf0.91(n-BuOH∶HAc∶H2O=4∶1∶1);
IR(KBr):3600-3000b,3175s,1795s,1760s,1680vs,1620vs,1520m,1470vs,1400vs,1310s,1270m,1180vs,1080m,1045m,cm-1;
1H NMR(DMSO-d6)δ:1.89及2.13(6H,2s,CMe2),2.35(3H,s,Me-异噁唑),3.21(1H,dd,J 1.8及15.3Hz,βC3H),3.55(1H,dd,J 4.5及15.3Hz,αC3H),5.34(1H,dd,J 1.8及4.5Hz,C2H),6.07(1H,s,CH-异噁唑),11.32(1H,bs,NH),13.05(1H,b,COOH)ppm。
实施例14
(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[3′,4′-二甲基-异噁唑-5′-基)氨基磺酰基]-4-氧代氮杂环丁烷
将(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-4-氧代氮杂环丁烷-2-亚磺酸(3.23g,10mMol)溶于亚硫酰二氯(10ml)。在25℃下,将该溶液搅拌1小时。减压浓缩过量亚硫酰二氯,得油状残留物。使浓缩后的残留物溶于二氯甲烷(50ml),加入5-氨基-3,4-二甲基-异噁唑(3.78g,30mMol),并如实施例13中所述进行处理。制得Rf值为0.31及0.38(CH2Cl2∶EtOAc=2∶1)的(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[3′,4′-二甲基-异噁唑-5′-基)氨基-亚磺酰基]-4-氧代氮杂环丁烷立体异构体混合物(3.20g,76.7%),该混合物以硅胶柱色谱法进行分离[Rf值为0.31的物质:
IR(KBr):1790vs,1730m,1710s,1650s,1370m,1300m,1225vs,1100m cm-1;1H NMR(CDCl3)δ:1.82,1.97,2.16,2.20(12H,4s,4Me),3.17(1H,d,J 4.1Hz,α C3H),3.45(1H,d,J 3.2Hz,βC3H),5.04(1H,dd,J 3.2及4.1Hz,C2H),5.24(2H,s,CH2Ph),7.35(5H,s,C6H5),7.87(1H,s,NH)ppm;Rf-值为0.38的物质:IR(KBr):1785vs,1730s,1700s,1650s,1370m,1300m,1230s,1100s cm-1;1H NMR(CDCl3)δ:1.81,2.10,2.17,2.24(12H,4s,4Me),3.09(1H,d,J 2.9Hz,βC3H),3.34(1H,d,J 5.0Hz,αC3H),5.05(1H,dd,J 2.9及5.0Hz,C2H),5.20-5.30(3H,m,CH2苯基及NH),7.35(5H,s,C6H5),ppm]。
在室温下,将由亚磺酰胺(4.17,10mMol),m-氯代过苯酸(4.3g,25mMol)及乙酸乙酯(50ml)组成的溶液搅拌24小时,并如实施例13中所述加以处理。制得3.2g(70%)熔点为160℃的钠盐形式产物:
Rf0.44(EtOAc);
IR(CH2Cl2):1790vs,1730m,1365s,1220s,1170s,1070m cm-1;1H NMR(CDCl3)δ:1.90,2.03,2.21,2.23(12H,4s,4Me),3.29(2H,d,J 4.0Hz,αC3H及βC3H),5.17(1H,t,J4.0Hz,C2H),5.24(2H,s,CH2苯基),7.35(5H,s,C6H5)ppm。
实施例15
(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(2′-苯基-吡唑-3′-基)氨基磺酰基]-4-氧代氮杂环丁烷
将(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-4-氧代氮杂环丁烷-2-亚磺酸(10mMol)溶于亚硫酰二氯(3.23g,10mMol),并如实施例13中所述,进行处理,其中添加2-苯基-3-氨基吡唑(4.77g,30mMol)来代替3-氨基-5-甲基异噁唑。制得Rf值为0.44及0.50(CH2Cl2∶EtOAc=2∶1)的(2R)1-(1′-苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(2′苯基-吡唑-3′-基)氨基亚磺酰基]-4-氧代氮杂环丁烷立体异构体的混合物(4.04g,86%),将该混合物以硅胶柱色谱法进行分离[Rf值为0.44的物质:
IR(KBr):1780vs,1720s,1600m,1500s,1455m,1360m,1290m,1215vs,1080m cm-1;1H NMR(CDCl3)δ:1.93及2.16(6H,2s,CMe2),2.96(1H,dd,J 4.9及15.3Hz,αC3H),3.07(1H,dd,J 2.5及15.3Hz,βC3H),4.79(1H,dd,J 2.5及4.9Hz,C2H),5.14(2H,s,CH2苯基),6.22及7.57(2H,2d,J 1.9Hz,=CH-CH=),7.26-7.45(10H,m,2C6H5)ppm;Rf-值为0.50的物质:IR(KBr):1780vs,1720s,1600m,1500s,1455m,1385m,1360m,1290m,1220s,1100s,1070m cm-1;1H NMR(CDCl3)δ:2.01及2.13(6H,2s,CMe2),2.80(1H,dd,J 2.3及15.5Hz,βC3H),2.92(1H,dd,J 5.3及15.5Hz,αC3H),4.80(2H,b,C2H),5.09及5.18(2H,ABq,J12.4Hz,CH2苯基),6.21及7.58(2H,2d,J 1.6 Hz=CH-CH=),7.20-7.40(10H,m,2C6H5)ppm。
在室温下,将由亚磺酰胺(4.64g,10mMol)、m-氯代过苯酸(4.3g,25mMol)及乙酸乙酯(50ml)组成的溶液搅拌24小时,并如实施例13中所述进行处理。制得钠盐形式的产物3.4g(67%):
Rf0.47(EtOAc);
IR(CH2Cl2):3340w,1785s,1725m,1700m,1500s,1390s,1360s,1290m,1215s,1170s,1075m cm-1;
1H NMR(CDCl3)δ:1.96及2.16(6H,2s,CMe2),2.88(1H,dd,J 5.2及15.5Hz,αC3H),3.00(1H,dd,J 2.3及15.5Hz,βC3H),4.92(1H,dd,J 2.3及5.2,C2H),5.07及5.18(2H,ABq,J 12.1Hz,CH2苯基),6.20及7.56(2H,2d,J 1.7Hz=CH-CH=),7.20-7.40(10H,m,2C6H5)ppm。
实施例16
(2R,3R)1-(1′-m-甲基苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基磺酰基]-3-[(3′-o-氯代苯基-5′-甲基-异噁唑-4′-基)羧基酰氨基]-4-氧代氮杂环丁烷
将按实施例7所述方法制备的亚磺酰胺立体异构混合物(2.24g)溶于二氯甲烷(10ml),并在室温下,同三乙胺(0.48ml)一起搅拌2小时。先用0.1N盐酸(5ml),再用水(10ml)进行萃取,并将有机萃取物脱水(Na2SO4),过滤并真空浓缩。制得产物2.23g(99.5%),从中经硅胶柱色谱法,以CH2Cl2∶EtOAc溶液混合液洗脱,得(2R,3R)1-(1′-m-甲基苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-[(3′-o-氯代苯基-5′-甲基-异噁唑-4′-基)羧基酰氨基]-4-氧代氮杂环丁烷
[Rf0.21(CH2Cl2∶EtOAc=4∶1);熔点94-96℃;1H NMR(CDCl3)δ:1.95und 2.22(6H,2s,CMe2),2.33及2.35(6H,2s,2Me-I异噁唑),2.77(3H,s,Me-苯基),4.96(1H,d,J 4.5Hz,C2H),5.13(2H,bs,OCH2),5.61(1H,dd,J 4.5及8.5Hz,C3H),5.72(1H,s,CH-异噁唑),6.69(1H,d,J 8.5Hz,CONH),7.04-7.55(8H,m,2C6H4)ppm],
接着将其按实施例1中所述,用H2O2氧化。以85.8%的收率制得该磺酰胺:
Rf0.55(CH2Cl2∶MeOH=10∶1);
IR(Film):3410w,3160vw,3070vw,1795vs,1735w,1685bs,1620s,1640m,1580bs,1420w,1300m,1270m,1220m,1170m,1120m,1060m,770m,740m cm-1;1H NMR(CDCl3)δ:1.84及2.11(6H,2s,CMe2),2.26及2.33(6H,2s,2Me-异噁唑),2.72(3H,s,Me-苯基),5.01(2H,bs,OCH2),5.36(1H,d,J 5.0-Hz,C2H),5.71-5.92(2H,m,C3H及CH-异噁唑),6.41(1H,d,J 10Hz,CONH),7.01-7.62(8H,m,2C6H4)ppm。
实施例17
(2R,3R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基异噁唑-3′-基)氨基磺酰基]-3-苯二酰亚氨基-4-氧代氮杂环丁烷
a)将按实施例4制得的(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-2′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-苯二酰亚氨基-4-氧代氮杂环丁烷溶于二氯甲烷,并同三乙胺一起搅拌,以此制得(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-苯二酰亚氨基-4-氧代氮杂环丁烷
[1H NMR(CDCl3)δ:2.14(6H,bs,CMe2),2.31(3H,s,Me-异噁唑),5.08und5.23(2H,ABq,J 13.5Hz,OCH2),5.58(1H,d,J 5.4Hz,C2H),5.71(1H,bs,CH-异噁唑),6.0(1H,d,J 5.4Hz,C3H),7.45及8.16(4H,2d,J 9.0Hz,C6H4NO2),7.70-7.94(4H,m,苯二酰亚氨基)ppm]
,它在如实施例1中所述那样用过氧化氢氧化时生成(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基磺酰基]-3-苯二酰亚氨基-4-氧代氮杂环丁烷
[Rf0.60(CH2Cl2∶MeOH=9∶1);IR(KBr):1790bs,1730vs,1615m,1520m,1465m,1385s,1350m,1290w cm-1;1H NMR(CDCl3)δ∶2.12及2.26(6H,2s,CMe2),2.32(3H,s,Me-异噁唑),5.21(2H,bs,OCH2),5.73(1H,d,J 5.4Hz,C2H),5.83(1H,d,J 5.4Hz,C3H),6.05(1H,bs,CH-异噁唑),7.50及8.18(4H,2d,J 9.0Hz,C6H4NO2),7.60-7.86(4H,m,苯二酰亚氨基)ppm]
。将该磺酰胺(840mg,1.38mMol)溶于甲醇(25ml),氢化并如实施例6中所述加以处理。以室温下搅拌有机萃取物,即沉淀出熔点为160-165℃的这种酸(490mg,75%):
IR(KBr):3515m,3200m,1795s,1780s,1735vs,1685m,1625m,1525w,1475m,1415m,1390vs,1310w,1180m cm-1;
1H NMR(DMSO-d6)δ:2.17(6H,s,CMe2),2.27(3H,s,Me-异噁唑),3.31(2H,bs,SNH,COOH,HOH),5.68(1H,d,J 4.9Hz,C2H),5.82(1H,d,J 4.9Hz,C3H),5.89(1H,s,CH-异噁唑),7.92(4H,s,苯二酰亚氨基)ppm。
b)将按实施例4制备的磺酰胺(0.63g)溶于二氯甲烷(10ml),并在10℃中,同三乙胺(0.1g)一起搅拌5小时。经硅胶柱色谱法,由浓缩后所得残留物制得0.57g磺酰胺,它完全同上面a)中所述,并能经氢解释出该磺酸。
实施例18
(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基磺酰基]-3氨基-4-氧代氮杂环丁烷
使按实施例17制备的磺酰胺与硫化钠反应,然后与二环己基碳酰亚胺反应,接着再如Croat,Chem./Acta 49(1977)中所记载的那样,与甲基肼反应。得泡沫状产物,它能产生水合茚三酮阳性反应:
Rf0.48(CH2Cl2∶MeOH=9∶1)
IR(KBr)1785s,1735m,1710m,1620m,1525s,1465w,1400w,1150s,1300w,1275w,1220m,1165m cm-1;
1H NMR(CDCl3)δ:2.13及2.25(6H,2s,CMe2),2.39(3H,s,Me-异噁唑),4.66(1H,d,J 5.2Hz,C2H),5.21(1H,d,J 5.2Hz,C3H),5.22及5.29(2H,ABq,J 12.8Hz,OCH2),6.12(1H,s,CH-异噁唑),7.49及8.22(4H,2d,J 8.5Hz,C6H4NO2)ppm。
实施例19
(2R,3R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-甲基氨基磺酰基-3-o-甲基-氨基羰基苯基碳酰胺基-4-氧代氮杂环丁烷
使(5R,6R)6-苯二酰亚胺基青霉烷酸-亚砜-p-硝基苄基酯(1.5g,3mMol)如实施例1中所述,与N-氯代琥珀酰亚胺(0.4g,3mMol)反应,而后将反应溶液冷至5℃,并加入甲胺(1ml)溶于甲苯(4ml)所成的溶液。在5℃下,将反应混合物搅拌3小时,并真空浓缩之。将残留物悬浮在二氯甲烷(15ml)中;吸出未溶解的那部分物质,并真空浓缩母液。制得由1.53g(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-甲基氨基亚磺酰基-3-o-甲基氨基羰基苯基碳酰氨基-4-氧代氮杂环丁烷组成的立体异构混合物。
[IR(Film):3250bm,3065w,2950w,1780s,1730sh,1715vs,1650m,1605w,1525s,1350s,1295m,1220m,1185s,1060m,855w,820w,740m cm-1],
将该混合物如实施例1中所述,用H2O2氧化。得1.23g(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-甲基氨基磺酰基-3-o-甲基-氨基羰基苯基碳酰氨基-4-氧代氮杂环丁烷
[Rf0.81(CH2Cl2∶MeOH=9∶1);1H NMR(CDCl3)δ:2.15及2.31(6H,2s,CMe2),2.86(3H,d,J 4.5Hz,CONMe),2.98(3H,d,J 4.9Hz,SO2NMe),5.16(1H,d,J 4.9Hz,C2H),5.31及5.38(2H,ABq,J 13.2Hz,OCH2),5.94(1H,dd,J 4.9及10.4Hz,C3H),6.38(1H,m,SO2NH),6.97(1H,d,J 10.4Hz,CONH),7.18(1H,q,J 4.9Hz,CONH),7.44-7.52(4H,m,OCC6H4CO),7.54及8.25(4H,2d,J 8.7Hz,C6H4NO2)ppm],
它通过如实施例17中所述的氢解,产生熔点为142℃(分解)的酸0.68g。
IR(KBr):3410m,3370m,3170m,2960m,1785vs,1720s,1680s,1615s,1600w,1560w,1515m,1440w,1415w,1375w,1330s,1315s,1285s,1210s,1185w,1155w,1080m,735m,700m cm-1;
1H NMR(DMSO-d6)δ:2.01及2.19(6H,2s,CMe2),2.64(3H,d,J 4.5Hz,CONMe),2.75(3H,d,J 4.7Hz,SO2NMe),5.24(1H,d,J 5.0Hz,C2H),5.65(1H,dd,J 5.0及8.7Hz,C3H),7.17(1H,q,J 4.7Hz,SO2NH),7.48-7.56(4H,m,C6H4),8.38(1H,q,J 4.5Hz,CONH),9.07(1H,d,J,8.7Hz,CONH)ppm。
实施例20
(2R,3R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-3-苯基-乙酰氨基-4-氧代氮杂环丁烷
使(5R,6R)6-苯基乙酰氨基青霉烷酸-亚砜-p-硝基苄基酯(3.0g,6.2mMol)如实施例1中所述,同N-氯代琥珀酰亚胺(1.0g,7.5mMol)进行反应,而后加入苄基胺(1.3ml,12.4mMol),并在5℃下,将反应混合物搅拌2小时。滗析甲苯溶液,用水洗涤,脱水并真空浓缩之。添加乙酸乙酯,制得(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-2′-烯基)-2-苄基氨基-亚磺酰基-3-苯基-乙酰氨基-4-氧代氮杂环丁烷
[1H NMR(CDCl3)δ:1.91(3H,s,Me),3.48(2H,s,CH2CO),3.95-4.32(3H,m,SNHCH2),4.80-5.14(4H,m,NCHCO=CH2),5.26(2H,bs,OCH2),5.87(1H,dd,J 5.0und 9.8Hz,C3H),6.52(1H,d,J 9.8Hz,CONH),7.12-7.37(10H,m,2C6H5),7.47und8.22(4H,2d,J 8.8Hz,C6H4NO2)ppm],
将其吸收(1.82g),用三乙胺溶于二氯甲烷所成的溶液使之异构化,变成(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基-氨基-亚磺酰基-3-苯基乙酰氨基-4-氧代氮杂环丁烷(1.66g),并用H2O2如实施例1中所述,将其氧化。得(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-苄基氨基磺酰基-3-苯基乙酰氨基-4-氧代氮杂环丁烷(1.57g):
Rf0.60(CH2Cl2′EtOAc=4∶1);[1H NMR(CDCl3)δ:2.06及2.24(6H,2s,CMe2),3.59-3.98(5H,m,CH2CO,SNHCH2),4.67(1H,d,J 5.0Hz,C2H)5.21(2H,bs,OCH2),5.73(1H,dd,J 5.0及10.3Hz,C3H),6.68(1H,d,J 10.3Hz,CONH),7.00-7.36(10H,m,2C6H5),7.42und8.19(4H,2d,J 8.8Hz,C6H4NO2)ppm],
接着将其如实施例6中所述,加以氢化。分离出0.91g产物:
Rf0.38(CH2Cl2∶MeOH=4∶1);
IR(Film):3500-2300bm,1785s,1740-1600bs,1525m,1340s,1270m,1210m,1160s,1070m,740m,705s cm-1;
1H NMR(CDCl3)δ:2.07及2.25(6H,2s,CMe2),3.56及3.64(2H,ABq,J 14.8Hz,CH2CO),3.98-4.02(3H,m,SNHCH2),4.94(1H,d,J 5.2Hz,C2H),5.84(1H,dd,J 5.2及10.3 Hz,C3H)6.77(1H,d,J 10.3Hz,CONH),7.11-7.37(10Hm,2C6H5)ppm。
实施例21
(2R,3R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-甲基氨基磺酰基-3-苯基乙酰氨基-4-氧代氮杂环丁烷
使(5R,6R)6-苯基乙酰基青霉烷酸-亚砜-p-硝基苄基酯(3.0g,6.2mMol)与N-氯代琥珀酰亚胺(1.0g,7.5mMol),如实施例1所述那样进行反应,而后加入甲基胺(1ml),并将反应混合物在5℃下搅拌2小时。吸出沉淀物,用水洗涤母液,脱水并真空浓缩。硅胶柱色谱分离得到(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-甲基-氨基-亚磺酰基-3-苯基乙酰氨基-4-氧代氮杂环丁烷(1.63g)
1H NMR(CDCl3)δ:2.12及2.26(6H,2s,CMe2),2.47(3H,d,J 5.4Hz,NMe),3.63(2H,ABq,J 14.9Hz,CH2CO),4.68(1H,d,J 5.0Hz,C2H),5.28(2H,s,OCH2),5.80(1H,dd,J 5.0及9.9Hz,C3H),7.19(1H,d,J 9.9Hz,CONH),7.26-7.38(5H,m,C6H5),7.50及8.24(4H,2d,J 8.7Hz,C6H4NO2)ppm],
接着如实施例1中所述,用H2O2将其氧化。得(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-甲基氨基-磺酰基-3-苯基-乙酰氨基-4-氧代氮杂环丁烷(0.98g)
[IR(KBr):3460-3140bw,1785s,1730m,1700-1675bm,1610w,1525s,1350s,1220m,1155m,1070m,850w cm-1;1H NMR(CDCl3)δ:2.09及2.26(6H,2s,CMe2),2.46(3H,d,J 5.0Hz,NMe),3.17(1H,q,J 5Hz,SNH),3.55及3.69(2H,ABq,J 14.5Hz,CH2CO),4.97(1H,d,J 5.0Hz,C2H)5.27及5.33(2H,ABq,J 13.2Hz,OCH2),5.80(1H,dd,J,5.2及10.3Hz,C3H),6.58(1H,d,J 10.3Hz,CONH),7.32-7.51(5H,m,C6H5),7.50及8.23(4H,2d,J 8.7Hz,C6H4NO2)ppm]。
将所得的磺酰胺如实施例6中所述,加以氢代,并分离经氢化而产生的酸(0.43g):
IR(KBr):3660-2440bm,1785s,1740-1620bm,1335m,1160m,1075w,740w,705w cm-1;
1H NMR(CDCl3)δ:2.07及2.25(6H,2s,CMe2),2.53(3H,d,J 4.5Hz,NMe),3.63(2H,ABq,J 15.1Hz,CH2CO),4.16(1H,m,SNH),5.24(1H,d,J 5.2Hz,C2H),5.88(1H,dd,J 5.2及10.3Hz,C3H),6.84(1H,d,J 10.3Hz,CONH),7.26-7.40(5H,m,C6H5)ppm。
实施例22
(2R,3R)1-(1′-羧基-2′-甲基-丙-1′-烯基)-2-[(5′-甲基-异噁唑-3-基)氨基磺酰基]-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷
使(5R,6R)6-苯氧基乙酰氨基青霉烷酸-亚砜-p-硝基苄基酯(5.0g,10mMol)与N-氯代琥珀酰亚胺(1.7g,13mMol)如实施例1所述进行反应,而后加入3-氨基-5-甲基-异噁唑(4.1g,40mMol),并在0℃下,将反应混合物搅拌2小时。滗析甲苯溶液,用水洗涤,脱水,并真空浓缩。得由(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-2′-烯基)-2-[(5′-甲基-异噁唑-3′-基)氨基亚磺酰基]-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷组成的立体异构体混合物(5.0g;83.6%)[占大部分的立体异构体,熔点为196-198℃;
IR(KBr):3310w,1775s,1755m,1665m,1625m,1520s,1350s,1240m,1170m,1100s,915w,855w,755w cm-1;1H NMR(CDCl3)δ:2.02(3H,s,Me),2.25(3H,s,Me-异噁唑),4.45及4.54(2H,ABq,J 15.1,OCH2CO),5.07(1H,bs,NCHCO),5.07及5.19(2H,2bs=CH2),5.39(1H,d,J 5.1Hz,C2H),5.35(2H,bs,OCH2),5.76(1H,bs,CH-异噁唑),5.85(1H,dd,J 5.0及9.0Hz,C3H),6.91-7.36(5H,m,C6H5),7.49(1H,d,CONH),7.49及8.21(4H,2d,J 8.8Hz,C6H4NO2)ppm]。
所得立体异构体混合物用H2O2如实施例1中所述那样予以氧化,并用三乙胺溶于二氯甲烷所成的溶液,使之异构化,而后制得3.5g(68.2g)(2R,3R)1-(1′-p-硝基苄氧羰基-2′-甲基-丙-1′-烯基)-2-(5′-甲基-异噁唑-3′-基)氨基磺酰基-3-苯氧基乙酰氨基-4-氧代氮杂环丁烷:
[Rf0.67 CH2Cl2∶MeOH=9∶1);IR(KBr):3410-2700m,1795s,1735m,1700s,1620m,1525s,1500m,1465m,1400m,1355s,1300m,1220s,1165m,1065-1110m cm-1;1H NMR(CDCl3)δ:2.11及2.20(6H,2s,CMe2),2.24(3H,s,Me-异噁唑),4.35及4.50(2H,ABq,J 15.1Hz,OCH2CO),5.26(2H,s,OCH2),5.59(1H,d,J 5.2Hz,C2H),6.00(1H,s,CH-异噁唑),6.03(1H,dd,J5.2及10.5Hz,C3H),6.90-7.35(5H,s,OC6H5),7.52及8.22(4H,2d,J 8.8Hz,C6H4NO2)ppm]。
接着,使所得的磺酰胺(0.56g,0.91mMol)进行如实施例6中所述的氢解,并分离出0.23g(52.5%)产物:
Rf值为0.35(CH2Cl2∶MeOH=1.5∶1.0)
IR(KBr)3600-2400bm,1795s,1700bs,1620m,1500-1550s,1235s,1170s,1065-1090m,940m cm-1;
1H NMR(CDCl3)δ:2.05及2.19(6H,2s,CMe2),2.27(3H,s,Me-异噁唑),4.50及4.59(2H,ABq,J 15.0Hz,OCH2CO),5.78(1H,d,J 4.8Hz,C2H),6.09(1H,dd,J 4.8及10.5Hz,C3H),6.23(1H,s,CH异噁唑),6.91-7.40(5H,m,OC6H5),7.78(1H,d,J 10.5Hz,CONH)ppm。

Claims (41)

1、通式Ⅰ所示的4-氧代氮杂环丁烷-2-磺酰胺及其盐,
Figure 931173620_IMG2
式中各基团的含义如下:
R1为氢、卤素,
R2为氢、卤素、NH2、苯基-CH2CONH、苯基OCH2CONH、苯二酰亚氨基、o-MeNHCOC6H4CONH、异噁唑基羰基氨基,
R3为氢、Me2C=C-COOMe、H2C=C(Me)-CH-COOMe、Me2C=C-COOCH2苯基、H2C=C(Me)-CH-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4Me-m、H2C=C(Me)-CH-COOCH2C6H4Me-m、Me2C=C-COOH,
R4为氢或钠,以及
R5为氢、烷基、苄基或一个杂环,例如异噁唑、吡唑。
2、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为苯基-CH2
3、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为钠,以及R5为苯基-CH2
4、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为氢,R4为氢,以及R5为苯基-CH2
5、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为苯基-CH2
6、权利要求1所述的化合物,其特征在于,R1为氢,R2为溴,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为苯基-CH2
7、权利要求1所述的化合物,其特征在于,R1为溴,R2为溴,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为苯基-CH2
8、权利要求1所述的化合物,其特征在于,R1为溴,R2为溴,R3为Me2C=C-COOCH2苯基,R4为钠,以及R5为苯基-CH2
9、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为5-甲基-异噁唑-3-基。
10、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为钠,以及R5为5-甲基-异噁唑-3-基。
11、权利要求1所述的化合物,其特征在于,R1为溴,R2为溴,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为5-甲基-异噁唑-3-基。
12、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为钠,以及R5为3,4-二甲基异噁唑-5-基。
13、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为钠,以及R5为3,4-二甲基异噁唑-5-基。
14、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为2-苯基-吡唑-3-基。
15、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOCH2苯基,R4为钠,以及R5为2-苯基-吡唑-3-基。
16、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-OCH2CONH,R3为Me2C=C-COOCH2苯基,R4为氢,以及R5为苯基-CH2
17、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-OCH2CONH,R3为H2C=C(Me)CH-COOMe,R4为氢,以及R5为5-甲基-异噁唑-3-基。
18、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-OCH2CONH,R3为Me2C=C-COOMe,R4为氢,以及R5为5-甲基-异噁唑-3-基。
19、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯二酰亚氨基,R3为H2C=C(Me)-CH-COOCH2C6H4NO2-p,R4为氢,以及R5为5-甲基-异噁唑-3-基。
20、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯二酰亚氨基,R3为Me2C=C-COOCH2C6H4NO2-p,R4为氢,以及R5为5-甲基-异噁唑-3-基。
21、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-CH2CONH,R3为氢,R4为氢,以及R5为苯基-CH2
22、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-CH2CONH,R3为Me2C=C-COOCH2C6H4NO2-p,R4为氢,以及R5为5-甲基-异噁唑-3-基。
23、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-CH2CONH,R3为Me2C=C-COONH,R4为氢,以及R5为5-甲基-异噁唑-3-基。
24、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOH,R4为氢,以及R5为苯基-CH2
25、权利要求1所述的化合物,其特征在于,R1为氢,R2为3-o-氯苯基-5-甲基-异噁唑-4-基,R3为H2C=C(Me)-CH-COOCH2C6H4Me-m,R4为氢,以及R5为5-甲基-异噁唑-3-基。
26、权利要求1所述的化合物,其特征在于,R1为氢,R2为3-o-氯苯基-5-甲基-异噁唑-4-基,R3为Me2C=C-COOCH2C6H4Me-m,R4为氢,以及R5为5-甲基-异噁唑-3-基。
27、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯二酰亚氨基,R3为Me2C=C-COOCH,R4为氢,以及R5为5-甲基-异噁唑-3-基。
28、权利要求1所述的化合物,其特征在于,R1为氢,R2为氨基,R3为Me2C=C-COOCH2C6H4NO2-p,R4为氢,以及R5为5-甲基-异噁唑-3-基。
29、权利要求1所述的化合物,其特征在于,R1为氢,R2为o-MeNHCOC6H4CONH,R3为Me2C=C-COOCH2C6H4NO2-p,R4为氢,以及R5为甲基。
30、权利要求1所述的化合物,其特征在于,R1为氢,R2为o-MeNHCOC6H4CONH,R3为H2C=C(Me)-CH-COOCH2C6H4NO2-p,R4为氢,以及R5为甲基。
31、权利要求1所述的化合物,其特征在于,R1为氢,R2为o-MeNHCOC6H4CONH,R3为Me2C=C-COOH,R4为氢,以及R5为甲基。
32、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-CH2CONH,R3为Me2C=C-COOH,R4为氢,以及R5为苯基-CH2
33、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-CH2CONH,R3为Me2C=C-COOCH2C6H4NO2-p,R4为氢,以及R5为苯基-CH2
34、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-CH2CONH,R3为Me2C=C-COOCH2C6H4NO2-p,R4为氢,以及R5为甲基。
35、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-CH2CONH,R3为Me2C=C-COOH,R4为氢,以及R5为甲基。
36、权利要求1所述的化合物,其特征在于,R1为氢,R2为氢,R3为Me2C=C-COOH,R4为氢,以及R5为5-甲基-异噁唑-3-基。
37、权利要求1所述的化合物,其特征在于,R1为溴,R2为溴,R3为Me2C=C-COOH,R4为氢,以及R5为苯基-CH2
38、权利要求1所述的化合物,其特征在于,R1为氢,R2为苯基-OCH2CONH,R3为Me2C=C-COOH,R4为氢,以及R5为5-甲基-异噁唑-3-基。
39、制备通式Ⅰ所示4-氧代氮杂环丁烷-2-磺酰胺及其盐的方法,式中各基团的含义同权利要求1所述,其特征在于,使通式Ⅱ所示的4-氧代氮杂环丁烷-2-亚磺酰胺,
Figure 931173620_IMG3
其中:
R1为氢或卤素,
R2为氢、卤素、苯基CH2CONH、苯基OCH2CONH、苯二酰亚氨基、o-MeNHCOC6H4CONH、异噁唑基羰基氨基,R3为Me2C=C-COOMe、H2C=C(Me)-CH-COOMe、Me2C=C-COOCH2苯基、H2C=C(Me)-CH-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4NO2-p、Me2C=C-COOCH2C6H4Me-m、H2C=C(Me)-CH-COOCH2C6H4Me-m,R4为氢,以及R5为氢、烷基、苄基或一个杂环如异噁唑、吡唑,在有机化学已知的氧化反应中通用的氧化剂如过氧化氢、过乙酰乙酸、m-氯代过苯甲酸及高锰酸钾存在下,在一种酸性或中性的水或水-有机介质中,在0-100℃的温度下进行氧化,接着以常规方法解离保护基团,处理反应混合物,并分离产物。
40、权利要求1所述化合物在β-内酰胺类似物,尤其是双环体系的合成中作为中间化合物的应用。
41、权利要求1所述化合物作为制造抗菌治疗制剂的有效物质的应用。
CN93117362A 1992-09-08 1993-09-08 4-氧代氮杂环丁烷-2-磺酰胺及其盐,其制备方法和应用 Expired - Fee Related CN1042130C (zh)

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