Compounds derived from 3 - (pyrrolidin-3-yl) - 1,3,4-oxadiazol-2 (3H) - One, possibly in the form of Pure Optical isomers or mixture of isomers, Process for preparing them,Medicine of said compound and Pharmaceutical composition containing Said Compound.

摘要

3 - (pirrolidin-3-il) - 1,3,4-oxadiazol-2 (3H) compounds may exist in the form of pure optical isomers or mixtures of isomers. According to the general formula I, R1 represents a hydrogen atom or a grupop1-4 tar or c3-7 cyclopentanediol, X1 represents a hydrogen or halogen atom or a C1-4 alcox group, Or1 and X1 together represent a formula group - och2o,-O (CH2) 2-,-O (CH2) 3 -, - O (CH2) 2 O- or -O (CH2) 3 O-,X2 is a hydrogen atom, an amino group or a general-nhco2r formula group, R represents a C1-4 tar group or a phenyl C1-2 tar group, X3 represents a hydrogen or halogenated atom, R2 represents a hydrogen atom, or a C1-6 tar group, C1-4 tar or [(4-dimethylamino) piperidin-1-ilcarbonil] c2-4 tar, in the state of base or acid-dependent sa preparation procedure, including formula I and drug synthesis containing formula I compound.