Prostaglandin analogues

Details Prostaglandin analogues Prostaglandin analogues

1983-05-26

1985-05-14

Gerstl, Robert

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

536 46, 560 51, 560 53, 560 56, 560116, 560119, 562460, 562462, 562498, 562501, 514573, C07C17700, A61K 31557

Patent

active

045172021

ABSTRACT:
Prostaglandin analogues of the general formula: ##STR1## (wherein R.sup.1 represents a hydrogen atom or a straight- or branched-chain alkyl group, Y.sup.1 represents a carbonyl or hydroxymethylene group, represents a single or double bond, A.sup.1 represents an alkylene linkage containing 2 or 3 carbon atoms and optionally bearing a methyl or ethyl substituent, R.sup.2 represents a hydrogen atom or a methyl or ethyl group and R.sup.3 represents a hydrogen atom or else R.sup.2 and R.sup.3 form an alkylene linkage containing 2 or 3 carbon atoms, optionally bearing a methyl or ethyl substituent, such that the symbols A.sup.1, R.sup.2 and R.sup.3, together with the carbon atoms through which they are connected, form a cycloalkyl ring of 6, 7 or 8 carbon atoms, optionally bearing one or two methyl or ethyl substituents, X.sup.1 represents an ethylene or trans-vinylene group, Y.sup.2 represents a carbonyl or hydroxymethylene group, and either (i) A.sup.2 represents a straight- or branched-alkylene chain containing from 1 to 3 carbon atoms, Z.sup.1 represents a direct bond or an oxygen or sulphur atom, and R.sup.4 represents a straight- or branched-chain alkyl group containing from 1 to 12 carbon atoms, optionally substituted by a cycloalkyl group containing from 3 to 8 carbon atoms, or represents a cycloalkyl group containing from 3 to 8 carbon atoms, or represents a phenyl group optionally substituted by a halogen atom or by a trifluoromethyl group or by a straight- or branched-chain alkyl or alkoxy group containing from 1 to 6 carbon atoms, or (ii) A.sup.2 and Z.sup.1 both represent direct bonds and R.sup.4 represents a straight- or branched-chain alkyl group containing from 1 to 12 carbon atoms, optionally substituted by a cycloalkyl group containing from 3 to 8 carbon atoms, or represents a cycloalkyl group containing from 3 to 8 carbon atoms) and cyclodextrin clathrates thereof and, when R.sup.1 represents a hydrogen atom, non-toxic salts thereof, possess useful pharmacological properties.

REFERENCES:
patent: 4192891 (1980-03-01), Haslanger

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