Alkyl and aryl derivatives of isoquinoline. II. Synthesis and pharmacologic activity of dialkylaminoalkyl esters of 1-chloro-3-carboxy-4-methylisoquinoline and the corresponding 4-phenyl derivative

Vittorio, F.; Santagati, N.A.; Lancetta, T.; Duro, F.; Arrigo Reina, R.; Cosentino, C.

Il Farmaco; Edizione Scientifica 39(3): 217-228

1984


ISSN/ISBN: 0430-0920
PMID: 6714415
Document Number: 237281
The synthesis of a series of dialkylaminoalkylic esters of 1-chloro-3-carboxy-4-methylisoquinoline and of 1-chloro-3-carboxy-4-phenylisoquinoline is described. The pharmacological activity of some of these compounds was studied. The morpholinoethylester of 1-chloro-3-carboxy-4-methylisoquinoline (VIIa), dimethylaminoethylester (VIIb) and diethylaminoethylester (VIIc) showed a good antispasmodic activity. 4-Phenyl-derivatives (XVa), (XVb), (XVc) were more active than analogous 4-methyl derivatives; particularly the diethylaminoethylester of 1-chloro-3-carboxy-4-phenylisoquinoline (XVc) showed an antagonist effect against spasmogens similar to that of papaverine.

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