| 摘要 |
Gastric anti-secretory agents of the formula <CHEM> or pharmaceutically acceptable salts thereof, wherein R is alkyl and R min is hydrogen, methyl or ethyl; and Y is hydrogen, hydroxymethyl, alkyl or -(CH2)nNHC(Z)Q wherein n is an integer from 1 to 4; and Z and Q, when taken together, form a 4-pyrimidinone group; or when taken separately, Z is oxygen, sulfur, =N-C IDENTICAL N, or =(CH)NO2; and Q is -CH=CHR sec wherein R sec is 2-methyl-5-thiazolyl, 4-pyridyl or 4-imidazolyl; or Q is -(CH2)mR''', wherein R''' is hydrogen, alkyl, thioalkoxy, alkoxy, amino, N-monoalkylamino, N,N-dialkylamino, 2-guanidino-4-thiazolyl, 5-dimethylaminomethyl-2-furyl, 2-pyrazinyl, 4-imidazolyl, 5-methyl-4-imidazolyl, phenyl, mono-substituted phenyl. 3-pyridyl, mono-substituted 3-pyridyl, 4-pyridyl, or mono-substituted 4-pyridyl, wherein said substituents are halo, alkoxy, hydroxy or alkylamino; and m is 0 or an integer from 1 to 3; provided that when R''' is hydrogen, alkoxy, phenoxy or pyridoxy, m is other than 0; said alkyl, alkoxy, and thioalkoxy groups having from 1 to 4 carbon atoms. |
