Variation in the aromatic ring of cromakalim: antihypertensive activity of pyranopyridines and 6-alkyl-2H-1-benzopyrans
摘要:
The synthesis and antihypertensive activity in the spontaneously hypertensive rat of two new series of analogues related to cromakalim (1) are described. In the first series, where the benzopyran nucleus has been replaced by a pyranopyridine nucleus, the position of the nitrogen atom has been found to be critical for activity, and the most potent compounds are the pyrano[3,2-c]pyridines. In the second series, where the powerful electron-withdrawing cyano group of compound 1 has been replaced by alkyl and phenyl groups, the order of antihypertensive potency is ethyl, isopropyl, tert-butyl greater than propyl, cyclopentyl greater than methyl greater than phenyl.
Variation in the aromatic ring of cromakalim: antihypertensive activity of pyranopyridines and 6-alkyl-2H-1-benzopyrans
摘要:
The synthesis and antihypertensive activity in the spontaneously hypertensive rat of two new series of analogues related to cromakalim (1) are described. In the first series, where the benzopyran nucleus has been replaced by a pyranopyridine nucleus, the position of the nitrogen atom has been found to be critical for activity, and the most potent compounds are the pyrano[3,2-c]pyridines. In the second series, where the powerful electron-withdrawing cyano group of compound 1 has been replaced by alkyl and phenyl groups, the order of antihypertensive potency is ethyl, isopropyl, tert-butyl greater than propyl, cyclopentyl greater than methyl greater than phenyl.
BURRELL, GORDON;CASSIDY, FREDERICK;EVANS, JOHN M.;LIGHTOWLER, DIANE;STEMP+, J. MED. CHEM., 33,(1990) N1, C. 3023-3027
作者:BURRELL, GORDON、CASSIDY, FREDERICK、EVANS, JOHN M.、LIGHTOWLER, DIANE、STEMP+
DOI:——
日期:——
US4931454A
申请人:——
公开号:US4931454A
公开(公告)日:1990-06-05
Variation in the aromatic ring of cromakalim: antihypertensive activity of pyranopyridines and 6-alkyl-2H-1-benzopyrans
作者:Gordon Burrell、Frederick Cassidy、John M. Evans、Diane Lightowler、Geoffrey Stemp
DOI:10.1021/jm00173a018
日期:1990.11
The synthesis and antihypertensive activity in the spontaneously hypertensive rat of two new series of analogues related to cromakalim (1) are described. In the first series, where the benzopyran nucleus has been replaced by a pyranopyridine nucleus, the position of the nitrogen atom has been found to be critical for activity, and the most potent compounds are the pyrano[3,2-c]pyridines. In the second series, where the powerful electron-withdrawing cyano group of compound 1 has been replaced by alkyl and phenyl groups, the order of antihypertensive potency is ethyl, isopropyl, tert-butyl greater than propyl, cyclopentyl greater than methyl greater than phenyl.