摘要:
Intermediate compounds of the formula ##STR1## for the preparation of antibacterially active penem compounds and salts wherein R is hydrogen or an esterifying group, R.sup.1 is an unsubstituted or a mono-, di-, or tri-substituted phenyl, naphthyl, thienyl, pyridyl, quinolyl or isoquinolyl, R.sup.2 is hydrogen or a hydroxyl group which may be protected, R.sup.4 is chlorine or bromine and R.sup.5 is an alkyl or phenyl group; methods for making such compounds or salts.
摘要:
The present invention relates to certain penem derivatives of the general formula I ##STR1## in which R represents a hydrogen atom or a carboxyl esterifying group, R.sup.1 represents certain unsubstituted and substituted aromatic and heterocyclic groups, and R.sup.2 represents a hydrogen atom, an unsubstituted or substituted alkyl or aryl group.The compound of formula I and salts thereof may be used in the treatment of bacterial infections in man and other animals.
摘要:
Antibacterially active penem compounds and salts of the formula ##STR1## wherein R is hydrogen or an esterifying group, R.sup.2 is hydrogen, hydroxy, or protected hydroxy, and R.sup.1 is phenyl, naphthyl, thienyl, pyridyl, quinolyl, or isoquinolyl, or such a group which is mono-, di-, or tri-substituted; methods for making such compounds or salts; and antibacterial pharmaceutical preparations containing the compounds or salts.
摘要:
A compound of the formula I ##STR1## in which R.sup.1 represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms, the --CONHR.sup.1 group being present at the 3- or 4-position on the phenyl ring, and esters thereof at the 2-carboxyl group and/or at the 8-hydroxy group, have antibacterial and/or .beta.-lactamase inhibiting activity.
摘要:
Penem-derivatives of the formula I ##STR1## in which R is hydrogen or a carboxyl esterifying groupR.sup.1 is phenyl, naphthyl, thienyl, pyridyl, quinolyl or isoquinolyl any of which is optionally substituted by one, two or three substituents of the group halogen, cycloalkyl, --NH.sub.2, --CONH.sub.2, --NO.sub.2, --CN, --R.sup.2, --OR.sup.2, --SR.sup.2, --SO--R.sup.2, --SO.sub.2 R.sup.2, --CO--R.sup.2, --CO--O--R.sup.2, --CH.sub.2 --CO--O--R.sup.2, --NHR.sup.2, --NR.sup.2 R.sup.2', --CO--NH--R.sup.2, --CO--NR.sup.2 R.sup.2', --NH--CO--R.sup.2, --NH--CO--NH--R.sub.2, --NH--CO--NH--R.sup.2, --NH--SO.sub.2 --R.sup.2, --CF.sub.3, --CO--OH, --CO.sub.2 --CO--OH wherein R.sup.2 and R.sup.2' are the same or different and each represents alkyl of 1 to 4 carbon atomsor a salts thereof, process for the manufacture thereof and antibacterial pharmaceutical preparations containing them.
摘要:
The invention provides compounds of formula (I): ##STR1## or a physiologically acceptable salt, solvate or metabolically labile ester thereof wherein the R groups are defined in the specification.The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
摘要:
Compounds of formula ##STR1## wherein R.sup.1 or R.sup.2 represents a C.sub.1-6 alkyl group optionally substituted by one to three halogen atoms and the other represents a phenyl or pyridyl ring or N-oxide thereof optionally substituted by one or more substituents selected from halogen atoms and hydroxyl, C.sub.1-3 alkyl, C.sub.1-3 alkoxy and trifluoromethyl groups; wherein R.sup.3 represents a phenyl or pyridyl ring or N-oxide thereof optionally substituted by one or more substituents selected from halogen atoms and hydroxyl, C.sub.1-3 alkyl, C.sub.1-3 alkoxy and trifluoromethyl groups with the proviso that only one of the groups R.sup.1, R.sup.2 or R.sup.3 represents an optionally substituted pyridyl ring; X represents --CH.dbd.CH--; and Z represents ##STR2## wherein R.sup.4 represents a hydrogen atom, a carboxyl protecting group or a cation; and R.sup.5 represents a hydrogen atom or a C.sub.1-3 alkyl group; a solvate thereof, or acid addition salts of compounds wherein R.sup.4 represents a hydrogen atom or a carboxyl protecting group; for use in the treatment and/or prevention of diseases associated with hypercholesteroloma and hyperlipoproteinemia.
摘要:
The invention provides compounds of formula (I): ##STR1## or a physiologically acceptable salt, solvate or metabolically labile ester thereof whereinR.sup.1 represents a hydrogen atom or a halogen atom or a group selected from C.sub.1-6 alkyl, C.sub.2-6 alkenyl, fluoroC.sub.1-6 alkyl, C.sub.1-6 alkoxy, --CHO, --CO.sub.2 H or --COR.sup.2 ;Ar represents optionally substituted phenylHet represents the group ##STR2## A represents ##STR3## The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
摘要:
What are disclosed are compounds, useful as intermediates in the preparation of substituted penem compounds, of the formula ##STR1## methods for making such compounds from intermediates of the formula ##STR2## by reaction of the latter with a nucleophilic compound, methods for making such intermediates from compounds of the formula ##STR3## by reaction of the last-mentioned compounds with a tervalent phosphorus compound, and methods for making said last-mentioned compounds by cyclizing compounds of the formula ##STR4## with a tervalent phosphorus compound.
摘要:
The invention provides compounds of the general formula (I): ##STR1## or a physiologically acceptable salt, solvate (e.g. hydrate) or a metabolically labile ester thereof.The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.