摘要:
Prostanoic acid esters of the formulaPG-- CH.sub.2 -- X-- Ywherein PG is the prostanoyloxy radical of a prostaglandin, X is a carbon-carbon single bond, carbonyl or carbonyloxy, and Y is substituted phenyl are easily crystallized compounds at least as active as the unesterified prostanoic acid and useful for the purification of the parent prostaglandin are prepared by reacting, in the presence of an agent which splits off hydrogen halide, the unesterified prostaglandin with a halide of the formula Hal--CH.sub.2 --X--Y, wherein Hal is a halogen atom and X and Y have the values given above.
摘要:
Prostaglandins of the formula ##SPC1##Wherein R.sub.1 is HOCH.sub.2, --COOH, a salt thereof or an ester thereof; R.sub.2 is OH; and R.sub.3 is H or R.sub.2 and R.sub.3 collectively are = O. A is --CH.sub. 2 --CH.sub.2 -- or --(trans)--CH=CH--, B is --CH.sub. 2 CH.sub.2 --or --(cis)--CH=CH-- and R.sub.4 --O--O--R.sub.5 is a ketal group, are superior in physiological activity to the corresponding 15-.alpha.-hydroxy-prostaglandins.
摘要:
Prostaglandins of the formula ##STR1## wherein R.sub.1 is hydroxymethyl, carboxy, aryloxycarbonyl, alkoxycarbonyl of 1-8 carbon atoms in the alkoxy group, or the group -COO-CH.sub.2 -U-V wherein U is a direct C-C bond, carbonyl or carbonyloxy and V is phenyl substituted by phenyl, alkoxy of 1-2 carbon atoms or halogen; R.sub.2 is hydroxy and R.sub.3 is a hydrogen atom or R.sub.2 and R.sub.3 collectively are an oxygen atom; A is -CH.sub.2 -CH.sub.2 or trans-CH=CH; B is -CH.sub.2 -CH.sub.2 or CH=CH; one of R.sub.4 and R.sub.5 is hydroxy and the other is a hydrogen atom; R.sub.6 and R.sub.7 each are alkyl of 1-10 carbon atoms or collectively are alkylene of up to 7 carbon atoms and with 2-3 carbon atoms in the chain, phenylene or naphthylene; R.sub.8 is a hydrogen atom or alkyl of 1-5 carbon atoms; ##STR2## when R.sub.2 is hydroxy and R.sub.3 is a hydrogen atom or is ##STR3## or -CH=CH- when R.sub.2 and R.sub.3 collectively are an oxygen atom; or, when R.sub.1 is carboxy, a physiologically acceptable salt thereof with a base, possess the activity of the corresponding natural prostaglandins, including a luteolytic effect, and are useful in triggering abortions and syncronizing the conception cycle of mammals.
摘要:
Prostanoic acid derivatives of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, alkyl of 1-10 carbon atoms, aryl or --CH.sub.2 --U--V wherein U is a direct bond, carbonyl, or carbonyloxy and V is phenyl or substituted phenyl, e.g. substituted by at least one of phenyl, alkoxy of 1-2 carbon atoms or a halogen atom; one of R.sub.2 and R.sub.3 is hydroxy and the other is a hydrogen atom or R.sub.2 and R.sub.3 collectively are an oxygen atom; A is --CH.sub.2 --CH.sub.2 -- or trans--CH.dbd.CH; B is --CH.sub.2 --CH.sub.2 -- or cis--CH.dbd.CH; D and E collectively are a direct bond, or D is alkylene or 1-5 carbon atoms and E is an oxygen or sulfur atom; R.sub.4 is alkyl of 1-10 carbon atoms, alkyl of 1-5 carbon atoms substituted by unsubstituted or substituted aryl, unsubstituted or substituted aryl, or benzodioxol-2-yl-; X--Y is ##STR2## when one of R.sub.2 and R.sub.3 is a hydroxy group and the other is a hydrogen atom or X--Y is ##STR3## or --CH.dbd.CH-- when R.sub.2 and R.sub.3 collectively are an oxygen atom; and when R.sub.1 is a hydrogen atom, the physiologically acceptable salts thereof with bases, have an activity spectrum similar to but stronger and longer lasting activity than the corresponding natural prostaglandins.
摘要:
Prostanoic acid esters of the formulaPG -- CH.sub.2 -- X -- Ywherein PG is the prostanoyloxy radical of a prostaglandin, X is a carbon-carbon single bond, carbonyl or carbonyloxy, and Y is substituted phenyl are easily crystallized compounds at least as active as the unesterified prostanoic acid and useful for the purification of the parent prostaglandin are prepared by reacting, in the presence of an agent which splits off hydrogen halide, the unesterified prostaglandin with a halide of the formula Hal--CH.sub.2 --X--Y, wherein Hal is a halogen atom and X and Y have the values given above.
摘要:
Stabilized prostacyclins having a wide range of pharmacological activity and long duration of such activity, have the formula ##STR1## wherein R.sub.1 is (a) OR.sub.3, wherein R.sub.3 is hydrogen, alkyl, cycloalkyl, aryl or a heterocyclic residue; or (b) NHR.sub.4 wherein R.sub.4 is an acid residue;B is straight-chain or branched alkylene of 2-10 carbon atoms;A is --CH.sub.2 --CH.sub.2 --, cis--CH.dbd.CH--, trans--CH.dbd.CH-- or --C.tbd.C--,W is free or functionally modified hydroxymethylene or free or functionally modified ##STR2## wherein the OH-group can be in the .alpha.- or .beta.-position; D and E together are a direct bond; orD is straight-chain or branched alkylene of 1-5 carbon atoms; andE is oxygen or sulfur or a direct bond,R.sub.2 is alkyl, cycloalkyl, optionally substituted aryl or a heterocyclic group; andR.sub.5 is free or functionally modified hydroxy; and when R.sub.3 is hydrogen, the salts thereof with physiologically compatible bases.
摘要:
Prostane derivatives of the formula ##STR1## wherein R.sub.1 is the residue OR.sub.2 and R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, or a heterocyclic residue; or is NHR.sub.3 wherein R.sub.3 is an acyl group derived from a hydrocarbon carboxylic or sulfonic acid of up to 15 carbon atoms;A is --CH.sub.2 --CH.sub.2 -- or cis--CH.dbd.CH--Z is carbonyl or ##STR2## wherein the OR.sub.4 group can be in the .alpha.- or .beta.-position and R.sub.4 is H or a hydroxy-protective groupX Y is ##STR3## wherein R.sub.4 is as defined above, --CH.sub.2 -- CH.sub.2 -- or --CH.sub.2 --CH-- wherein R.sub.5 is alkyl or 1-5 carbon atoms, if Z is R.sub.5 carbonyl or ##STR4## X Y represents --CH.dbd.CH-- if Z is carbonyl: R.sub.6, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 each independently is hydrogen or an alkyl group of 1-5 carbon atoms; andR.sub.11 is alkyl of 1-5 carbon atoms;and if R.sub.2 is hydrogen, the salts thereof with physiologically compatible bases are prostaglandins having prolonged duration of activity and increased selectivity of effectiveness.
摘要:
Prostan-1-ol esters and intermediates for their preparation are described; the former compounds exhibit improved organ specificity and a longer duration of activity at lower dosages than the corresponding non-esterified prostaglandins and are useful, inter alia, in triggering abortion, inducing labor and regulating the menstrual cycle.
摘要:
Prostan-1-ol esters and intermediates for their preparation are described; the former compounds exhibit improved organ specificity and a longer duration of activity at lower dosages than the corresponding non-esterified prostaglandins and are useful, inter alia, in triggering abortion, inducing labor and regulating the menstrual cycle.
摘要:
The invention relates to 9-halo-.DELTA..sup.2 -prostane derivatives of general Formula I ##STR1## wherein Hal is a fluorine or chlorine atom in the .alpha.- or .beta.-position,R.sub.1 is the residue OR.sub.2 with R.sub.2 meaning a hydrogen atom, alkyl, cycloalkyl, aryl or a heterocyclic residue; or the residue NHR.sub.3 wherein R.sub.3 means an acid residue or the residue R.sub.2 andA is a --CH.sub.2 --CH.sub.2 -- or cis-CH.dbd.CH--group,B is a --CH.sub.2 --CH.sub.2 -- or trans--CH.dbd.CH-- or --C.tbd.C--group,W is a free or functionally modified hydroxymethylene or ##STR2## wherein the respective OH-groups can be in the .alpha.- or .beta.-position,D and E jointly mean a direct bond orD is a straight- or branched-chain alkylene group of 1-10 carbon atoms, which can optionally be substituted by fluorine atoms,E is an oxygen or sulfur atom, a direct bond, a --C.tbd.C--bond or a --CR.sub.6 .dbd.CR.sub.7 --group wherein R.sub.6 is a hydrogen atom or an alkyl group and R.sub.7 is a hydrogen atom, an alkyl group or a halogen atom,R.sub.4 is a free or functionally modified hydroxy group,R.sub.5 is a hydrogen atom, an alkyl group, a halogen-substituted alkyl group, a cycloalkyl group, an optionally substituted aryl group, or a heterocyclic group,and, if R.sub.2 means a hydrogen atom, the salts thereof with physiologically compatible bases.