摘要:
A known effective choleretic, cis-2-hydroxy-2-phenyl-r-1-cyclohexane carboxylic acid is obtained with a novel method wherein 1-phenylcyclohexene is reacted with formaldehyde in formic acid or mixture of formic acid with other solvents. The reaction mixture is hydrolyzed (alkaline hydrolysis) to provide a substituted cyclohexanol concurrently with a substituted dioxan. The substituted diol is separated from the substituted dioxan and finally oxidized to obtain the expected acid.
摘要:
The condensation of dimethyl 3-oxoundecane-1,11-dioate with styrylglyoxal affords 14-phenyl-9,12-dioxo-11-hydroxytetradec-13-enoic acid, which is cyclized to afford 3-hydroxy-5-oxo-2-styrylcyclopent-1-eneheptanoic acid. Hydroxylation of the styryl double bond affords the corresponding 2-(.alpha.,.beta.-dihydroxyphenethyl) derivative. Resolution of the racemic 2-styryl-3-hydroxy compounds with either (-) or (+)-O-methylmandelyl chloride yields the optically active isomers which are separated chromatographically. The instant compounds are useful as anti-microbial, anti-fungal and hypotensive agents, as prostaglandin (PGE.sub.2) antagonists and also as intermediates to prostanoic acid derivatives and their optically active isomers which exhibit anti-microbial, pepsin-inhibitory, hypotensive and smooth muscle-contracting properties.
摘要:
This invention is a group of 8-beta, 12-alpha-PG.sub.2 (prostaglandin-type) analogs having variable chain length, or methyl or phenyl substitution in the hydroxy-substituted side-chain, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, and labor inducement at term.
摘要:
This invention is a group of 8-.beta., 12-.alpha.-PG.sub.2 (prostaglandin-type) analogs having variable chain length, or methyl or phenyl substitution in the hydroxy-substituted side-chain, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, and labor inducement at term.
摘要:
This invention is a group of 8-.beta., 12-.alpha.-PG.sub.2 (prostaglandin-type) analogs having variable chain length, or methyl or phenyl substitution in the hydroxy-substituted side-chain, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, and labor inducement at term.
摘要:
The present invention relates to a series of new compounds, their salts and esters and to methods for the preparation of the compounds having the general formula: ##SPC1##In which R.sub.1 represents a straight or branched C.sub.1 -C.sub.6 alkyl, alkenyl or alkynyl radical, or a C.sub.1 -C.sub.3 alkyl radical substituted with phenyl, halophenyl, trifluoromethylphenyl, (lower alkoxy)phenyl, or with a 5-membered or 6-membered heterocyclic ring containing not more than two heteroatoms selected from the group consisting of oxygen, sulphur and nitrogen; Ar stands for a phenyl radical, optionally being substituted with halogen, lower alkyl, hydroxy, or lower alkoxy; Y stands for O, S, NH or a CH.sub.2 radical; and YR.sub.1 is placed in the 2- or 3-position.The compounds of the invention which are valuable in the human and veterinary practice, possess a pronounced diuretic and/or saluretic activity.
摘要:
SUBSTITTED (BENZYLTHIO)-SALICYLIC ACIDS, (PHENYLMERCAPTOMETHYL)-SALICYLIC ACIDS AND PHENYL DISULFIDE SALICYLIC ACIDS AND THE NON-TOXIC PHARMACEUTICAL ACCEPTED SALTS, ESTERS, AMIDES AND VARIOUS DERIVATIVES THEREOF. ALSO A METHOD OF TREATING INFLAMMATION WHICH COMPRISES ADMINISTERING THE ABOVE COMPOUNDS AND VARIOUS DERIVATIVES ARE ALSO CLAIMED. THE SUBSTITURED (BENZYLTHIO) -SALICYLIC ACIDS, (PHENYLMERCAPTOMETHYL)-SALICYLIC ACIDS AND PHENYL DISULFIDE SALICYLIC ACIDS DESCRIBED HEREIN HVE ANTI-INFLAMMATORY, ANTI-PYRETIC AND ANALGESIC ACIVITY.
摘要:
New phenyl benzoic acid and ester compounds particularly substituted 5-(substituted phenyl)benzoic acid and ester derivatives and processes for their preparation are claimed. The new phenyl benzoic acid and ester compounds described have antiinflammatory, anti-pyretic and analgesic activity.
WHEREIN R IS PHENYL-LOWER ALKYL, HALOPHENYL-LOWER ALKYL OR TRIFLUOROMETHYL-PHENYL-LOWER ALKYL ARE POTENT ANTIMICROBIAL AGENTS. DERIVATIVES OF 3,5-DIHYDROXY-2-NAPHTHALOIC ACID OF THE FORMULA
摘要:
THIS INVENTION RELATES TO A NOVEL CLASS OF HYDROXY SUBSTITUTED AROMATIC ACIDS WHICH INCLUDES ALPHA-(HYDROXYPHENYL) CUMIC ACID AND SUBSTITUTED DERIVATIVES THEREOF. THESE HYDROXY SUBSTITUTED AROMATIC ACIDS CAN BE EMPLOYED AS STARTING MATERIALS IN THE PREPARATION OF USEFUL POLYESTERS.