Cyclic imino derivatives and pharmaceutical compositions containing them
First Claim
1. A compound of the formula Ia ##STR2## wherein R1 represents a hydrogen atom,a phenyl group optionally substituted by a chlorine or bromine atom, by an C1-2 -alkyl, C1-2 -alkoxy or trifluoromethyl group, by a carboxy, alkoxycarbonyl, aminocarbonyl, aminosulphonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkylsulphonylamino or alkanoylamino group,an allyl group,a C1-4 -alkyl group which may be substituted by two phenyl groups, by a C3-7 -cycloalkyl, naphthyl or phenyl group, whilst the latter may be substituted by a fluorine, chlorine or bromine atom, by a C1-4 -alkyl group, by a C1-6 -alkoxy group, by an alkylsulphenyl, alkylsulphinyl, alkylsulphonyl, phenyl, phenylalkyl, phenylalkoxy, hydroxy or trifluoromethyl group, by two alkoxy groups or by two chlorine or bromine atoms,a C2-4 -alkyl group substituted in 2-, 3- or 4-position by an alkylsulphenyl, alkylsulphinyl, alkylsulphonyl, phenylsulphenyl, phenylsulphinyl, phenylsulphonyl, amino, alkanoylamino, benzoylamino, N-alkyl-alkanoylamino, alkanesulphonylamino, phenylsulphonylamino, hydroxy, alkoxy or phenoxy group,a methyl group substituted by a carboxy, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, benzylaminocarbonyl, bis(2-methoxyethyl)aminocarbonyl or biphenylyl group,R2 represents a hydrogen atom or an optionally phenyl-substituted C1-4 -alkyl group,B represents an amidino group optionally substituted by one or two C1-4 -alkyl groups, by a cyano, hydroxy, methoxy, benzyl, benzoyl, methoxybenzoyl, benzyloxycarbonyl, phenyloxycarbonyl or an C1-4 -alkyloxycarbonyl group,a cyano, aminomethyl or guanidinomethyl group;
- Y represents a straight-chained or branched C1-5 -alkylene group;
E represents a carbonyl group substituted by a hydroxy, C1-6 -alkoxy, amino, C1-4 -alkylamino, dialkylaminocarbonyl-alkoxy or phenylalkoxy group wherein the phenyl nucleus may additionally be substituted by one or two methoxy groups, andX represents biphenylyloxy-C1-2 -alkylene group attached via the alkylene moiety to the pyrrolidinone ring in 4- or 5-position, wherein each phenylene moiety may be substituted by a fluorine, chlorine or bromine atom or by an alkyl, alkoxy, trifluoromethyl, alkylsulphenyl, alkylsulphinyl, alkylsulphonyl, nitro, alkanoylamino or alkanesulphonylamino group or by another alkyl group,wherein, unless otherwise stated, the above-mentioned alkyl, alkoxy and alkanoyl moieties may each contain from 1 to 3 carbon atoms,or a pharmaceutically acceptable salt thereof.
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Abstract
The invention relates to cyclic imino compounds which have, inter alia, valuable pharmacological properties, especially inhibitory effects on cell aggregation, pharmaceutical compositions which contain these compounds and processes for preparing them.
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Citations
10 Claims
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1. A compound of the formula Ia ##STR2## wherein R1 represents a hydrogen atom,
a phenyl group optionally substituted by a chlorine or bromine atom, by an C1-2 -alkyl, C1-2 -alkoxy or trifluoromethyl group, by a carboxy, alkoxycarbonyl, aminocarbonyl, aminosulphonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkylsulphonylamino or alkanoylamino group, an allyl group, a C1-4 -alkyl group which may be substituted by two phenyl groups, by a C3-7 -cycloalkyl, naphthyl or phenyl group, whilst the latter may be substituted by a fluorine, chlorine or bromine atom, by a C1-4 -alkyl group, by a C1-6 -alkoxy group, by an alkylsulphenyl, alkylsulphinyl, alkylsulphonyl, phenyl, phenylalkyl, phenylalkoxy, hydroxy or trifluoromethyl group, by two alkoxy groups or by two chlorine or bromine atoms, a C2-4 -alkyl group substituted in 2-, 3- or 4-position by an alkylsulphenyl, alkylsulphinyl, alkylsulphonyl, phenylsulphenyl, phenylsulphinyl, phenylsulphonyl, amino, alkanoylamino, benzoylamino, N-alkyl-alkanoylamino, alkanesulphonylamino, phenylsulphonylamino, hydroxy, alkoxy or phenoxy group, a methyl group substituted by a carboxy, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, benzylaminocarbonyl, bis(2-methoxyethyl)aminocarbonyl or biphenylyl group, R2 represents a hydrogen atom or an optionally phenyl-substituted C1-4 -alkyl group, B represents an amidino group optionally substituted by one or two C1-4 -alkyl groups, by a cyano, hydroxy, methoxy, benzyl, benzoyl, methoxybenzoyl, benzyloxycarbonyl, phenyloxycarbonyl or an C1-4 -alkyloxycarbonyl group, a cyano, aminomethyl or guanidinomethyl group; -
Y represents a straight-chained or branched C1-5 -alkylene group; E represents a carbonyl group substituted by a hydroxy, C1-6 -alkoxy, amino, C1-4 -alkylamino, dialkylaminocarbonyl-alkoxy or phenylalkoxy group wherein the phenyl nucleus may additionally be substituted by one or two methoxy groups, and X represents biphenylyloxy-C1-2 -alkylene group attached via the alkylene moiety to the pyrrolidinone ring in 4- or 5-position, wherein each phenylene moiety may be substituted by a fluorine, chlorine or bromine atom or by an alkyl, alkoxy, trifluoromethyl, alkylsulphenyl, alkylsulphinyl, alkylsulphonyl, nitro, alkanoylamino or alkanesulphonylamino group or by another alkyl group, wherein, unless otherwise stated, the above-mentioned alkyl, alkoxy and alkanoyl moieties may each contain from 1 to 3 carbon atoms, or a pharmaceutically acceptable salt thereof. - View Dependent Claims (2, 3, 4, 5, 9, 10)
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6. A compound selected from the group consisting of:
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(3S,5S)-5-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-[(methoxycarbonyl)methyl]-2-pyrrolidinone, (3S,5S)-5-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-carboxymethyl-1-(3-phenylpropyl)-2-pyrrolidinone. (3S,5S)-5-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-carboxymethyl-2-pyrrolidinone, (3S,5S)-5-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-carboxymethyl-1-phenyl-2-pyrrolidinone, (3S,5S)-5-[(4'"'"'-amidino-2,3-dimethyl-4-biphenylyl)oxymethyl]-3-carboxymethyl-1-(3-phenylpropyl)-2-pyrrolidinone, (3S,5S)-5-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-carboxymethyl-1-[(dimethylaminocarbonyl)methyl]-2-pyrrolidinone, (3S,5S)-5-[(4'"'"'-amidino-3'"'"'-fluoro-4-biphenylyl)oxymethyl]-3-carboxymethyl-2-pyrrolidinone, (3R,S;
4R,S)-4-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-carboxymethyl-3-methyl-2-pyrrolidinone, (3S,5S)-5-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-carboxymethyl-1-methyl-2-pyrrolidinone and(3S,5S)-5-[[4'"'"'-(N-methoxycarbonylamidino)-4-biphenylyl]oxymethyl]-3-[(methoxycarbonyl)methyl]-2-pyrrolidinone and the pharmaceutically acceptable salts thereof.
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7. (3S,5S)-5-[(4'"'"'-amidino-4-biphenylyl)oxymethyl]-3-(carboxymethyl)-2-pyrrolidinone or a pharmaceutically acceptable salt thereof.
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8. (3S,5S)-5-[[4'"'"'-(N-methoxycarbonylamidino)-4-biphenylyl]oxymethyl]-3-[(methoxycarbonyl)methyl]-2-pyrrolidinone or a pharmaceutically acceptable salt thereof.
Specification