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    • 15. 发明授权
    • 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids
    • 2-氮杂取代的1-碳代萘二烯-2-烯-3-羧酸
    • US5140030A
    • 1992-08-18
    • US569257
    • 1990-08-16
    • Burton G. ChristensenRonald W. RatcliffeJohn C. Chabala
    • Burton G. ChristensenRonald W. RatcliffeJohn C. Chabala
    • C07D477/22C07F9/6561
    • C07F9/65611C07D477/22Y02P20/55
    • Disclosed are 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids. I, where the generic 2-aza group includes azido, acylamino, amino, alkylamino, dialkylamino, triazolyl, triazolinyl, aziridinyl, and their pharmaceutically acceptable salt, ester, anhydride and amide derivatives which are useful as antibiotics. Also disclosed are processes for the preparation of I from the known, appropriately substituted bicyclic keto ester II via the 2-azido central intermediate III: ##STR1## wherein R.sup.16 is H or CH.sub.3, preferably beta-methyl; R.sup.6, and R.sup.7 are independently hydrogen, linear, branched or cyclic C.sub.1 -C.sub.5 alkyl, which can be substituted with fluoro, hydroxy, protected hydroxy, sulfoxy, amino, protected amino, wherein R.sup.6 and R.sup.7 taken together can also be C.sub.2 -C.sub.4 alkylidene, similarly substituted; with the proviso that both R.sup.6 and R.sup.7 are not unsubstituted alkyl, R.sup.1 and R.sup.2 are, inter alia, hydrogen, alkyl, acyl, and can be joined to form a ring comprising 3 to 7 atoms; R.sup.a is hydrogen, a salt cation, a removable protecting group, or a pharmaceutically acceptable ester moiety.Also disclosed are processes for the preparation of such compounds; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
    • 披露的是2-氮杂取代的1-碳代萘二烯-2-烯-3-羧酸。 I,其中通用2-氮杂基团包括可用作抗生素的叠氮基,酰氨基,氨基,烷基氨基,二烷基氨基,三唑基,三唑啉基,氮丙啶基及其药学上可接受的盐,酯,酸酐和酰胺衍生物。 还公开了通过2-叠氮中心中间体III从已知的适当取代的双环酮酯II制备I的方法:其中R 16是H或CH 3,优选β- 甲基; R 6和R 7独立地是氢,直链,支链或环状的C 1 -C 5烷基,其可以被氟,羟基,保护的羟基,亚磺氧基,氨基,保护的氨基取代,其中R 6和R 7一起也可以是C 2 -C 4亚烷基, 同样取代; 条件是R6和R7都不是未取代的烷基,R1和R2特别是氢,烷基,酰基,并且可以连接形成包含3至7个原子的环; Ra是氢,盐阳离子,可除去的保护基或药学上可接受的酯部分。 还公开了制备这些化合物的方法; 包含这些化合物的药物组合物; 和治疗方法,包括当指出抗生素效应时施用这些化合物和组合物。
    • 16. 发明授权
    • 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids
    • 2-氮杂取代的1-碳代萘二烯-2-烯-3-羧酸
    • US4783453A
    • 1988-11-08
    • US97348
    • 1987-09-08
    • Burton G. ChristensenRonald W. RatcliffeJohn C. Chabala
    • Burton G. ChristensenRonald W. RatcliffeJohn C. Chabala
    • C07D477/22C07F9/6561C07D487/04A61K31/40
    • C07D477/22C07F9/65611Y02P20/55
    • Disclosed are 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids I, where the generic 2-aza group includes azido, acylamino, amino, alkylamino, dialkylamino, triazolyl, triazolinyl, aziridinyl, and their pharmaceutically acceptable salt, ester, anhydride and amide derivatives which are useful as antibiotics. Also disclosed are processes for the preparation of I from the known, appropriately substituted bicyclic keto ester II via the 2-azido central intermediate III: ##STR1## wherein R.sup.16 is H or CH.sub.3, preferably beta-methyl; R.sup.6, and R.sup.7 are independently hydrogen, linear, branched or cyclic C.sub.1 -C.sub.5 alkyl, which can be substituted with fluoro, hydroxy, protected hydroxy, sulfoxy, amino, protected amino, wherein R.sup.6 and R.sup.7 taken together can also be C.sub.2 -C.sub.4 alkylidene, similarly substituted; with the proviso that both R.sup.6 and R.sup.7 are not unsubstituted alkyl, R.sup.1 and R.sup.2 are, inter alia, hydrogen, alkyl, acyl, and can be joined to form a ring comprising 3 to 7 atoms; R.sup.a is hydrogen, a salt cation, a removable protecting group, or a pharmaceutically acceptable ester moiety.Also disclosed are processes for the preparation of such compounds; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
    • 披露的是2-氮杂取代的1-碳代萘二甲酸-2-烯-3-羧酸I,其中通用的2-氮杂基团包括叠氮基,酰氨基,氨基,烷基氨基,二烷基氨基,三唑基,三唑基,氮丙啶基及其药学上可接受的盐 ,可用作抗生素的酯,酸酐和酰胺衍生物。 还公开了通过2-叠氮中心中间体III从已知的适当取代的双环酮酯II制备I的方法:其中R 16是H或CH 3,优选β- 甲基; R 6和R 7独立地是氢,直链,支链或环状的C 1 -C 5烷基,其可以被氟,羟基,保护的羟基,亚磺氧基,氨基,保护的氨基取代,其中R 6和R 7一起也可以是C 2 -C 4亚烷基, 同样取代; 条件是R6和R7都不是未取代的烷基,R1和R2特别是氢,烷基,酰基,并且可以连接形成包含3至7个原子的环; Ra是氢,盐阳离子,可除去的保护基或药学上可接受的酯部分。 还公开了制备这些化合物的方法; 包含这些化合物的药物组合物; 和治疗方法,包括当指出抗生素效应时施用这些化合物和组合物。
    • 19. 发明授权
    • Process for preparing substituted 2-thioxopenams and 2-substituted
thiopenems
    • 制备取代的2-硫代戊二酸和2-取代的硫代青霉烯的方法
    • US4610823A
    • 1986-09-09
    • US460729
    • 1983-01-25
    • Frank P. DiNinnoWilliam J. LeanzaRonald W. Ratcliffe
    • Frank P. DiNinnoWilliam J. LeanzaRonald W. Ratcliffe
    • C07D205/08A61K31/397A61K31/425A61K31/43A61P31/04C07D205/09C07D205/095C07D499/04C07D499/42C07D499/44C07D499/88C07D499/897C07F1/10C07F3/14C07F5/00C07F7/18
    • C07D205/09C07D205/095C07D499/88C07F7/1804Y02P20/55
    • Disclosed is a synthesis for preparing substituted 2-thioxopenams which are useful in the synthesis of penem antibiotics 7 which may be conducted in an enantiospecific manner; said process proceeds from azetidinone 1 via the azetidinone acetic ester 2, the 4-metallothiozetidinone 3, and the 4-dithiocarbonylazetidinone 4 to the substituted 2-thioxopenam 5: ##STR1## wherein: R.sup.6 and R.sup.7 are independently selected from: hydrogen; R.sup.6 NH-- (R.sup.6 is acyl or H); substituted and unsubstituted: alkyl, alkenyl, alkynyl, aryl, heterocyclyl, heteroaryl, cycloalkyl, and cycloalkenyl; wherein said substituents are, inter alia: halo (chloro, bromo, fluoro, iodo), hydroxyl, cyano, carboxyl, amino, and the above-recited values for R.sup.6 and R.sup.7 ; in functional terms,R.sup.2 is a group which potentially forms a stable carbonium ion, for example: trityl (--C(C.sub.6 H.sub.5).sub.3),bis(p-methoxyphenyl)methyl, ##STR2## --2,4-dimethoxybenzyl, ##STR3## 2-(diphenyl)isopropyl, ##STR4## and the like; M is a thiophilic metal such as silver, thallium, mercury, or the like;and R.sup.1 is a protecting group such as allyl, p-nitrobenzyl or a biologically removable group (pharmaceutically acceptable ester moiety), for example: pivaloyloxymethyl, pivoloyloxyethyl, ethoxycarbonyloxymethyl, phthalidyl (5-methyl-2-oxo-1,3-dioxolen-4-yl)-; and X is a methyl leaving group such as phenoxy, p-chlorophenoxy, p-nitrophenoxy, phenylthio, alkylthio, alkoxy, chloro, or the like.R.sup.8 is inter alia, substituted and unsubstituted alkyl; the final penem products 7 are known, and their various embodiments are included by this definition.
    • 公开了用于制备可以以对映体特异性方式进行的penem抗生素7的合成的用于制备取代的2-硫代青霉烯的合成物; 所述方法从氮杂环丁酮1经由氮杂环丁酮乙酸酯2,4-金属硫代环丁酮3和4-二硫代羰基氮杂环丁酮4进行到取代的2-硫青霉素5,其中:R6 和R 7独立地选自:氢; R6NH-(R6是酰基或H); 取代和未取代的:烷基,烯基,炔基,芳基,杂环基,杂芳基,环烷基和环烯基; 其中所述取代基特别是:卤素(氯,溴,氟,碘),羟基,氰基,羧基,氨基,以及R6和R7的上述值; 在功能上,R2是潜在形成稳定的碳鎓离子的基团,例如:三苯甲基(-C(C 6 H 5)3),双(对甲氧基苯基)甲基,2,4-二甲氧基苄基, 2-(二苯基)异丙基,等等; M是硫醇类金属如银,铊,汞等; R1为保护基团,例如烯丙基,对硝基苄基或生物可除去基团(药学上可接受的酯部分),例如:新戊酰氧基甲基,桥联合氧基乙基,乙氧基羰氧基甲基,邻苯二甲酰基(5-甲基-2-氧代-1,3-二氧杂环戊烯 - 吡啶-4-基) - ; X为甲基离去基团,例如苯氧基,对氯苯氧基,对硝基苯氧基,苯硫基,烷硫基,烷氧基,氯等。 R8尤其是取代和未取代的烷基; 最终的penem产品7是已知的,并且它们的各种实施例被该定义包括。