摘要:
Bicyclic derivatives of the formula ##STR1## wherein X.sup.1, X.sup.2, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7a, R.sup.7b, and R.sup.8 are as defined in the specification. These compounds are antimicrobially active.
摘要:
Acyl derivatives of the formula ##STR1## in which R is an acyl group, excluding those acyl groups of the formula ##STR2## in which A is a group of the formulae --NHCO--, --NHCONHCO--, --NHCOCH.dbd.CH--, ##STR3## wherein R.sup.6 is hydrogen or lower alkyl; R.sup.1 and R.sup.2 are hydrogen or a protecting group, X is hydrogen, halogen, lower alkoxy, nitro or --OR.sup.2, n is 1 or 2, R.sup.4 and R.sup.5 are hydrogen or together represent an additional bond and Z is a direct bond or carbonyl (where R.sup.4 and R.sup.5 both represent hydrogen) or a group of the formula --O--B-- (where R.sup.4 and R.sup.5 together represent an additional bond) in which B is a straight-chain, branched or cyclic lower alkylene;and wherein R.sup.3 is a substituted bicyclic group of the formulae ##STR4## wherein R.sup.7 and R.sup.8 are independently hydrogen, lower alkyl or trifluoromethyl or, in formulae (a), (b), (e) and (f) together represent alkylene with 3 or 4 carbon atoms, and R', R" and R"' are independently hydrogen, lower alkyl or lower cycloalkyl; wherein compounds of formula I in which R.sup.4 and R.sup.5 together represent an additional bond are present in the syn-isomeric form or as a mixture with the anti-isomeric form in which the syn-isomeric form predominates,as well as readily hydrolyzable esters and salts of these compounds and hydrates of the compounds of formula I or of their esters and salts.These compounds are useful as antibiotics.
摘要:
The present invention provides compounds of formula I wherein R1 is hydrogen, C1-6-alkyl, C1-6-alkyl substituted by fluoro, or C3-6-cycloalkyl; R2 is hydrogen or a substituent selected from the group consisting of —CH2C(═CHR)—COOR, —CH2OCOR, —CH(R)OCOR, —CH(R)OCOOR, —CH(OCOR)OCOR, —CH2COCH2OCOR and R3 is hydrogen or a substituent selected from the group consisting of —CH2C(═CH2)—COOR, —COOCH2C(═CHR)—COOR, —COOCH2OCOR, —COOCH(R)OCOR, —COOCH(R)OCOOR, —COOCH(OCOR)OCOR, —COOCH2COCH2OCOR, and with the proviso that one of R2 and R3 is hydrogen and the other is not hydrogen, R is hydrogen or C1-6-alkyl; R4 is hydrogen or hydroxy, R5 is hydrogen or &ohgr;-hydroxyalkyl; and X is CH or N, pharmaceutically acceptable salts of the compounds and hydrates of the compounds and of their salts.
摘要:
The present invention relates to compounds having the formula ##STR1## wherein X, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7 are as defined herein as well as readily hydrolyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts. These compounds have valuable pharmacological activity for the treatment and prophylaxis of infectious diseases, especially those caused by methicillin resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa.
摘要:
Compounds of formula I whereinR.sup.1 is hydrogen, lower alkyl which is unsubstituted or substituted by fluoro, aralkyl, cycloalkyl, --COR.sup.4 or --C(R.sup.5 R.sup.6)CO.sub.2 R.sup.7 --C(R.sup.5 R.sup.6)CONHR.sup.7 ; where R.sup.5 and R.sup.6 are each independently hydrogen or lower alkyl, or R.sup.5 and R.sup.6 taken together form a cycloalkyl group; R.sup.4 is hydrogen or lower alkyl and R.sup.7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group;R.sup.2 is hydrogen, hydroxy, lower alkyl-Q.sub.m, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl-Q.sub.m, aryl-Q.sub.m, aryloxy, aralkoxy, a heterocyclic ring or heterocyclyl lower alkyl, the lower alkyl, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl, aryl, aryloxy, aralkoxy and the heterocyclic ring being unsubstituted or substituted with at least one group selected from carboxy, amino, nitro, cyano, lower alkyl which is unsubstituted or substituted by fluoro, lower alkoxy, hydroxy, halogen, --COR.sup.6, --C(R.sup.5 R.sup.6)CO.sub.2 R.sup.7, --C(R.sup.5 R.sup.6)CONR.sup.5 R.sup.8, --CONR.sup.5 R.sup.6, --N(R.sup.6)COOR.sup.10, R.sup.6 OCO-- or R.sup.6 COO-- where R.sup.5 and R.sup.6 are hydrogen or lower alkyl; R.sup.7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group; R.sup.8 is hydrogen, lower alkyl or phenyl which is unsubstituted or substituted with at least one halogen, hydroxy, amino, lower alkyl, or lower alkoxy; R.sup.10 is lower alkyl, lower alkenyl or a carboxylic acid protecting group;Q is --CHR--, --CO-- or --SO.sub.2 --;R is hydrogen or lower alkyl;R.sup.3 is hydroxy, --O--, lower alkoxy, --OM and M represents an alkali metal;m is 0 or 1;n is 0, 1 or 2;x is CH or Nas well as readily hydrolysable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts are provided. These compounds have valuable antiinfective properties.
摘要翻译:式I化合物,其中R 1是氢,未被取代或被氟取代的低级烷基,芳烷基,环烷基,-COR 4或-C(R 5 R 6)CO 2 R 7 -C(R 5 R 6)CONHR 7; 其中R 5和R 6各自独立地为氢或低级烷基,或者R 5和R 6一起形成环烷基; R4是氢或低级烷基,R7是氢,低级烷基,低级烯基或羧酸保护基; R2是氢,羟基,低级烷基-Qm,环烷基,低级烷氧基,低级烯基,环烯基,低级炔基,芳烷基-Qm,芳基-Qm,芳氧基,芳烷氧基,杂环或杂环基低级烷基,低级烷基,环烷基, 低级烷氧基,低级烯基,环烯基,低级炔基,芳烷基,芳基,芳氧基,芳烷氧基,杂环是未取代的或被至少一个选自羧基,氨基,硝基,氰基,未被取代或被氟取代的低级烷基 ,低级烷氧基,羟基,卤素,-COR6,-C(R5R6)CO2R7,-C(R5R6)CONR5R8,-CONR5R6,-N(R6)COOR10,R6OCO-或R6COO-,其中R5和R6是氢或低级烷基; R7是氢,低级烷基,低级烯基或羧酸保护基; R8是氢,低级烷基或未取代的或被至少一个卤素,羟基,氨基,低级烷基或低级烷氧基取代的苯基; R 10为低级烷基,低级烯基或羧酸保护基; Q是-CHR-,-CO-或-SO 2 - ; R是氢或低级烷基; R3是羟基,-O-,低级烷氧基,-OM,M代表碱金属; m为0或1; n为0,1或2; x是CH或N,以及其易水解的酯,所述化合物的药学上可接受的盐和式I化合物的水合物及其酯和盐。 这些化合物具有有价值的抗感染性。
摘要:
Bicyclic derivatives of the general formula ##STR1## wherein X.sup.1 is --S-- or --SO--;X.sup.2 is --CO-- or --CS--;R.sup.1 is hydrogen, halogen or lower alkyl optionally substituted by halogen or lower alkoxy;R.sup.2 and R.sup.3 are each independently hydrogen, lower alkyl, halogen, amino, lower alkylamino, di-lower alkylamino, acylamino, lower alkexy, lower alkoxymethoxy or a group OR.sup.4 ;R.sup.4 is hydrogen or an easily hydrolyzable group;R.sup.5 is hydrogen, optionally esterified carboxy or amidated (thio)carboxy, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted acyl or heterocyclyl;R.sup.6 and R.sup.7a are each independently hydrogen or lower alkyl;R.sup.7b is hydrogen, optionally substituted hydroxy, --NR--A or --N.dbd.B, in which R is hydrogen or lower alkyl, A is hydrogen, optionally substituted alkyl, lower cycloalkyl, iminoyl, (thio)acyl, esterified carboxy or amidated (thio)carboxy and B is lower alkylidene;R.sup.7a and R.sup.7b together represent oxo, lower alkoxycarbonylmethylidene or optionally substituted hydroxyimino; andR.sup.8 is hydrogen, optionally substituted alkyl, optionally esterified carboxy or amidated (thio)carboxy; provided that no more than two of R.sup.1 -R.sup.3 are nitrogen-containing groups; no more than two of R.sup.1 -R.sup.3 are oxygen containing groups and no more than two of R.sup.1 -R.sup.3 are either nitrogen containing or oxygen containing groups;and pharmaceutically acceptable salts of the compounds of formula I carrying an acidic and/or basic substituent.The products are antimicrobially active.
摘要:
There is described a process for the manufacture of a compound of the formula ##STR1## wherein R.sup.1 is lower alkyl, lower alkanoyl, lower alkenyl or the group --CH.sub.2 COOR.sup.2 or --C(CH.sub.3).sub.2 COOR.sup.2 and R.sup.2 is a readily cleavable group, by reacting a compound of the formula ##STR2## wherein R is lower alkyl, with an alkali metal allylate and reacting the resulting compound of the formula ##STR3## wherein M is an alkali metal atom, with a compound of the formula R.sup.1 -X, wherein X is a leaving group. This process can be used to manufacture antimicrobially active mono-.beta.-lactam, cephalosporin and penicillin derivatives.
摘要:
Compounds of formula (I) as well as pharmaceutically acceptable salts and esters thereof, wherein L, R1, R2, m and n have the meaning given in claim 1 and which can be used in the form of pharmaceutical compositions.
摘要:
Novel compounds of formula (I): wherein X1, X2, X3 and X4, n, R1, R2 and R3 are defined in the specification, and pharmaceutically acceptable salts and prodrugs of the compounds of formula (I) have therapeutic uses. These compounds are useful for the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apnea. They are particularly useful for the treatment of obesity.
摘要:
Disclosed is a process for the preparation of vinyl-pyrrolidinone cephalosporine derivatives of formula Also disclosed are intermediate compounds of formulas wherein R1 and R2 are as defined herein.