| 摘要 |
<p>PURPOSE:Carbotyril derivatives of formula I (R1,R2 are H, lower alkyl; R3 is H, lower alkyl, substd. or unsubstd. phenyl; n is integral number from 1 to 4 4; m, 1 are 0,1,2;X is -O-, -S-, -OSO2-, -COO-, -OCO-; the linkages on 3 and 4 position in carbostyril skelton are single or double bonds, e. g. , 6-[3-(2-ethoxyethoxycarbonyl)propoxy]-3,4-dihydrocarbostyril.</p> |
