摘要:
The present invention relates to stable cyrstalline (6R,7R)-7-[(Z)-2-(2-aminothiazol-4-yl)-2-(1-carboxy-1-methylethoxyimino)acetamido]-3-(5,6-dihydroxy-2-methyl-2-isoindolinium)-3-cephem-4-carboxylate sulfate or its hydrate, a process for production of the compound and (6R,7R)-7-[(Z)-2-(2-aminothiazol-4-yl)-2-(1-carboxyl-1-methylethoxyimino)acetamido]-3-(5,6-dihydroxy-2-methyl-2-isoindolinium)methyl-3-cephem-4-carboxylate hydrochloride or its hydrate which is a starting material useful for the production of the desired compound of the present invention.
摘要:
The present invention relates to stable crystalline (6R,7R)-7-(Z)-2-(2-aminothiazol-4-yl)-2-(1-carboxy-1-methylethoxylimino)acetamido]-3-(5,6-dihydroxy-2-methyl-2-isoindolinium)methyl-3-cephem-4-carboxylate sulfate or its hydrate, a process for production of the compound and (6R,7R)-7-7-[(Z)-2-(2-aminothiazol-4-yl)-2-(1-carboxy-1-methylethoxyimino)acetamido]-3-(5,6-dihydroxy-2-methyl-2-isoindolinium)methyl-3-cephem-4-carboxylate hydrochloride or its hydrate which is a starting material useful for the production of the desired compound of the present invention.
摘要:
A compound having the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group, an alkanoyl group, an aralkyl group, an alkylsulfonyl group or an arylsulfonyl group, and R.sup.1 is a hydrogen atom or a protecting group for a hydroxyl group, or a salt thereof.
摘要:
A compound having the formula: ##STR1## wherein R.sup.1 is a straight chain, branched chain or cyclic lower alkyl group which may be substituted by a carboxyl group, and each of R.sup.2 and R.sup.3 which may be the same or different, is a hydrogen atom, a hydroxyl group, a methoxy group or an acetoxy group, and R.sup.4 is a hydroxyl group, a methoxy group or an acetoxy group; or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.
摘要:
A compound having the formula: ##STR1## wherein R.sup.1 is an amino group or a protected amino group, R.sup.2 is a hydrogen atom or a protecting group for a hydroxyl group, R.sup.3 represents negative charge, a hydrogen atom or a protecting group for a carboxyl group, and n is 0 or 1, and a salt thereof.
摘要:
The invention relates to an antibiotic comprising a compound having the formula: ##STR1## wherein R.sup.1 is a straight chain, branched chain, or cyclic lower alkyl group which may be substituted by a carboxyl group, and R.sup.2 designates vicinal dihydroxyl groups or diacetoxy groups; or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.
摘要:
A compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2 is a hydrogen atom or a negative charge, R.sup.3 is a hydrogen atom or a lower alkyl group, Ar is a phenyl group, a naphthyl group or a group of: ##STR2## (wherein each of A.sub.4 and A.sub.5 is a single bond, --NHSO.sub.2 -- or the like, and Het is a pyrrolinyl group, a 1,4-diazabicyclo�2.2.2!octanyl group or the like which may be substituted with a hydroxyl group, a carbamoyl lower alkyl group or the like) which may be substituted with a lower alkyl group, a lower alkylsulfamoyl group or the like which may be substituted with a hydroxyl group, a di-lower alkylsulfonyl group or the like; a hydroxyl group; a di-lower alkylsulfamoyl group or the like, each of A.sub.1, A.sub.2 and A.sub.3 is a single bond or a lower alkylene group which may be substituted with a lower alkyl group, a lower alkylsulfamoyl group or the like which may be substituted with a hydroxyl group, a di-lower alkylsulfamoyl group or the like; a pyridyl group or a pyridino group; and W is a sulfur atom, a single bond; or a pharmaceutically acceptable salt or ester; a process for its production and an antibacterial agent containing it as an active ingredient.
摘要:
Carbapenem compounds of formula I and their pharmaceutically acceptable salts and esters are provided: ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, p, q and r are as defined herein, which are useful as antibacterial agents.
摘要:
A compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, each of R.sup.2 and R.sup.3 which may be the same or different, is a hydrogen atom or a lower alkyl group, or R.sup.2 and R.sup.3 form together with the adjacent nitrogen atom a heterocyclic group selected from the group consisting of an aziridinyl group, an azetidinyl group, a pyrrolidinyl group, a piperidino group, a piperazinyl group and a morpholino group, A is a carbonyl group or a single bond, and n is an integer of from 0 to 3; or a pharmaceutically acceptable salt or ester thereof.
摘要:
A compound represented by the general formula wherein R1 either represents a hydrogen atom or a lower alkyl group, R2 represents a hydrogen atom, an ester residue, an alkali metal or negative charge, and R3 and R4 are the same or different, and each represent a hydrogen atom or a hydrocarbonic group optionally containing hetero atom(s) selected from the group consisting of oxygen atom(s), sulfur atom(s) and nitrogen atom(s), or they are combined together with the nitrogen atom to which they bound to form a heterocyclic group, and the use thereof as an antibacterial agent.