This invention relates to new propanolamine derivatives presented by the following formula [I] :
wherein
R1 ishydrogen or lower alkenyloxy,
R2 iscarboxy(lower)alkoxy or protected carboxy(lower)alkoxy,
R3 ishydrogen or N-protective group,
n isan integer of 1 or 2,
and salts thereof which have gut selective sympathomimetic, anti-ulcerous, anti-pancreatitis, lipolytic and anti-pollakisuria activities, to processes for the preparation thereof and to a pharmaceutical composition comprising the same.
本发明涉及下式[I]所示的新
丙醇胺衍
生物:
其中
R1 是氢或低级烯氧基、
R2 是羧基(低级)烷氧基或受保护的羧基(低级)烷氧基、
R3 是氢或 N-保护基团、
n 是 1 或 2 的整数、
及其盐类,具有肠道选择性拟交感活性、抗溃疡活性、抗胰腺炎活性、脂肪分解活性和抗蛔虫尿活性。