摘要:
A sulfonamide derivative or a sulfonic ester derivative represented by the following general formula (I): ##STR1## {G represents an aromatic 5- or 6-membered ring; L represents O or --N(R.sup.1)-- (R.sup.1 represents hydrogen or lower alkyl); and M represents ##STR2## rings A and B represent each an unsaturated 5- or 6-membered ring; Y represents O, S(O).sub.n, C(R.sup.3)(R.sup.4), C(O), N(R.sup.5), CH(R.sup.6)CH(R.sup.7), C(R.sup.8).dbd.C(R.sup.9), N(R.sup.10)C(O), N.dbd.C(R.sup.11), OCH(R.sup.12), S(O).sub.n CH(R.sup.13) or N(R.sup.14)CH(R.sup.15).
摘要:
A novel 2-methylchromone derivative represented by the general formula: ##STR1## wherein R.sub.1 means a hydrogen atom or a lower alkanoyl group. The above derivative is a useful intermediate for the synthesis of cephem activities, which are also effective against infections of the urinary tract, etc. A preparation process of the above chromone derivative is also disclosed.
摘要:
Sulfonamide compounds of the formula or pharmacologically acceptable salts thereof: ##STR1## wherein: R.sup.1 is a hydrogen atom, halogen atom, lower alkyl group, lower alkoxy group, hydroxyl group, nitro group, phenoxy group, cyano group, acetyl group, amino group or a protected amino group; R.sup.2 and R.sup.3 may be the same or different from each other and each is a hydrogen atom, halogen atom, lower alkyl group or lower alkoxy group; R.sup.4 and R.sup.7 may be the same or different from each other and each is a hydrogen atom or a lower alkyl group; R.sup.5 and R.sup.6 may be the same or different from each other and each is a hydrogen atom, halogen atom, lower alkoxy group, amino group or amino group substituted with a lower alkyl or a phenyl group; A is .dbd.CH--; B is .dbd.CH--; and E is selected from the group consisting of ##STR2## in which Q is an oxygen atom or a sulfur atom; and R.sup.11 is a hydrogen atom, a lower alkyl group, an amino group which may be substituted with a lower alkyl group, a lower alkoxy group, a 2-thienyl group, a 2-furyl group, phenyl group or a phenyl group having from 1 to 3 substituents, said substituents being the same or different from one another and selected from the group consisting of a halogen atom, lower alkyl group, lower alkoxy group, hydroxyl group, carboxyl group, esterified carboxyl group, amidated carboxyl group, lower alkylthio group and phenoxy group; and (b) a phenyl group or a phenyl group having from 1 to 3 substituents.
摘要翻译:下式的磺酰胺化合物或其药理学上可接受的盐:其中:R1是氢原子,卤素原子,低级烷基,低级烷氧基,羟基,硝基,苯氧基,氰基,乙酰基,氨基 或被保护的氨基; R2和R3可以相同或不同,各自为氢原子,卤素原子,低级烷基或低级烷氧基; R 4和R 7可以相同或不同,各自为氢原子或低级烷基; R5和R6可以相同或不同,分别为氢原子,卤素原子,低级烷氧基,氨基或被低级烷基或苯基取代的氨基; A = CH-; B为= CH-; 并且E选自其中Q是氧原子或硫原子的组; R 11为氢原子,低级烷基,可被低级烷基,低级烷氧基,2-噻吩基,2-呋喃基,苯基或苯基取代的氨基, 1至3个取代基,所述取代基彼此相同或不同,并且选自卤素原子,低级烷基,低级烷氧基,羟基,羧基,酯化羧基,酰胺化羧基,低级烷硫基 组和苯氧基; 和(b)苯基或具有1至3个取代基的苯基。
摘要:
Sulfonamide derivatives of the general formula (I): ##STR1## wherein preferably R.sup.1 represents a lower alkoxy group, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 may be the same or different from one another and each represent a hydrogen atom, halogen atom or lower alkyl group, A and B may be the same or different from each other and each represent .dbd.N-- or .dbd.CH--, E represents an aromatic 6-membered cyclic group, which may have 1 or 2 nitrogen atoms in the ring, and be substituted with 1 to 3 substituents which may be the same or different from one another with the proviso that a combination of R.sup.1 which is a hydrogen atom, lower alkyl group, nitro group or amino group which may be protected, R.sup.2 and R.sup.3 which are each a hydrogen atom, A and B which are each .dbd.CH-- and E which is a phenyl group which may be substituted with 1 to 3 substituents G which may be the same or different from one another is excluded, or pharmacologically acceptance salts of them, have an excellent antitumor activity.
摘要:
A 3-propenylcephem derivative of the following formula: ##STR1## wherein R.sub.1 represents a fluoro-substituted lower alkyl group or a cyano-substituted lower alkyl group, and A represents a cyclic or an acylic ammonio group, or a pharmaceutically acceptable salt thereof, exhibiting excellent anti-bacterial activities against both Gram-positive bacteria and Gram-negative bacteria; Process for the preparation thereof; Anti-bacterial composition; Intermediate for the 3-propenylcephem derivative; and Process for the preparation of the intermediate.
摘要:
Novel cephalosporin compounds of the general formula: ##STR1## wherein R.sub.1 represents a substituted or unsubstituted nitrogen-containing heterocyclic-thio group, R.sub.2 represents hydrogen or hydroxy, and R.sub.3, R.sub.4 and R.sub.5 each represents hydrogen, hydroxy or acyloxy, and their salts, and processes for the preparation thereof. The novel compounds and their salts have antibacterial activity.
摘要:
Novel tricyclic heterocyclic sulfonamide derivatives and sulfonic ester derivatives which have excellent antitumor activity and are represented by the following general formula (I) and processes for producing the same are provided. The present sulfonamide derivatives or a sulfonic ester derivatives are represented by the following general formula (I): ##STR1## wherein G represents an aromatic 5- or 6-membered ring; L represents 0 or --N(R.sup.1)-- and --R.sup.1 represents hydrogen or lower alkyl; and M represents a tricyclic structure selected from among the following; ##STR2## rings A and B each represent an unsaturated 5- or 5 -membered ring; X represents N(R.sup.2) wherein R.sup.2 represents hydrogen or lower alkyl, or NHCO; Y represents 0, S(O).sub.n, C(R.sup.3) (R.sup.4), C(O), N(R.sup.5), CH(R.sup.6)CH(R.sup.7), C(R.sup.8).dbd.C(R.sup.9), N(R.sup.10) C(O), N.dbd.CR.sup.11), OCH(R.sup.12), S(O).sub.n CH(R.sup.13) or N(R.sup.14)CH(R.sup.15); Z represents nitrogen or C(R.sup.16); and n represents 0, 1 or 2, R.sup.3 to R.sub.13, R.sup.15 and R.sup.16 each represent hydrogen or lower alkyl, and R.sup.14 represents hydrogen, lower alkyl or lower acyl.
摘要:
Novel tricyclic heterocyclic sulfonamide derivatives and sulfonic ester derivatives which have each an antitumor action and are represented by the following general formula (I) and processes for producing the same are provided. These compounds have each an excellent antitumor activity. A sulfonamide derivative or a sulfonic ester derivative represented by the following general formula (I): ##STR1## {G represents an aromatic 5- or 6-membered ring; L represents 0 or --N(R.sup.1)-- (R.sup.1 represents hydrogen or lower alky); and M represents a tricyclic structure selected from among the following ones; ##STR2## �rings A and B represent each an unsaturated 5- or 6-membered ring; X represents N(R.sup.2), (wherein R.sup.2 represents hydrogen or lower alkyl), or NHCO; Y represents O, S(O).sub.n, C(R.sup.3)(R.sup.4), C(O), N(R.sup.5), CH(R.sup.6)CH(R.sup.7), C(R.sup.8).dbd.C(R.sup.9), N(R.sup.10)C(O), N.dbd.C(R.sup.11), OCH(R.sup.12), S(O).sub.n CH(R.sup.13) or N(R.sup.14)CH(R.sup.15); Z represents nitrogen or C(R.sup.16) (n represents 0, 1 or 2, R.sup.3 to R.sup.13, R.sup.15 and R.sup.16 each represents hydrogen or lower alkyl, and R.sup.14 represents hydrogen, lower alkyl or lowver acyl.)!}
摘要:
A compound represented by the formula: ##STR1## wherein R.sub.1 is hydrogen or methoxy; R.sub.2 is hydrogen or hydroxy; R is ##STR2## wherein R.sub.3 and R.sub.4 are hydroxy or acyloxy, Y is oxygen, sulfur or >N-R.sub.5 wherein R.sub.5 is hydrogen or lower alkyl, and Z is sulfur or >N-R.sub.5 wherein R.sub.5 has the same meanings as defined above; and X is ##STR3## wherein R.sub.6 is acyloxy or nitrogen-containing heterocyclicthio which may have substituent(s), a pharmaceutically accpetable salt thereof, and a carboxylic ester thereof.This compound has improved antibacterial activity against Kleb. pneumoniae and Pseud. aeruginosa.
摘要:
New cephalosporin derivatives represented by the general formula: ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 each represents hydroxy, acyloxy, and hydrogen provided that two or three of R.sub.1, R.sub.2, and R.sub.3 are not hydrogen at the same time, and their salts, and processes for the preparation thereof. The cephalosporin derivatives of the present invention are useful as antibacterial drugs.