Phosphinic acid derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...

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514 94, 514120, 546 24, 548119, 558182, 560125, 560205, 562 11, 562 24, A61K 3166, A61K 31675, C07F 930, C07C 6900

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active

049886819

ABSTRACT:
A phosphinic acid derivative represented by the general formula [I], or a pharmaceutically acceptable salt thereof, ##STR1## wherein R.sup.1 represents an alkyl, cycloalkyl or aralkyl group which may be substituted; R.sup.2 and R.sup.5 may be identical or different, and each represents a hydrogen atom, or an ester residue capable of forming a non-toxic ester hydrolyzable in vivo; and A represents a group of the formula ##STR2## wherein R.sup.3 represents an alkyl group, a group of the formula ##STR3## wherein R.sup.30 represents a halogen atom, a carboxyl group, a hydroxyl group, a cycloalkyl group which may be substituted, an aryl group which may be substituted, an arylthio group, a heteroarylthio group which may be substituted, an alkylthio group which may be substituted, an amino group which may be substituted, or a lower alkoxycarbonyl group; R.sup.31 represents a hydrogen atom or a lower alkyl group; and n represents an integer of 0 to 6, a cycloalkyl group which may be substituted or an aryl group which may be substituted; and the double bond at A has a Z-configuration, or a group of the formula ##STR4## wherein R.sup.4 represents a cycloalkyl group which may be substituted. Said phosphinic acid derivative is useful for reducing renal toxicity induced by a carbapenem or penem antibiotic and for inhibiting dipeptidase.

REFERENCES:
patent: 4374131 (1983-02-01), Petrillo
patent: 4444765 (1984-04-01), Karanewsky et al.
patent: 4452791 (1984-06-01), Ryono et al.
patent: 4715994 (1987-12-01), Parsons et al.
patent: 4885283 (1989-12-01), Broadhurst et al.
Pitchett et al., "Chem. Abstracts", vol. 107 (11) 97134k (1987).

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