Derivatives of 3-pyrrolidinopropiophenone and a process for preparation thereof.

摘要

Derivatives of 3-pyrrolidinopropiophenone of the formula (I)
<CHEM>
wherein R is an ethyl-, propyl-, isopropyl-, butyl-, isobutyl-group or a cycloalkyl-group having 5 to 7 carbon atoms, and the pharmaceutically acceptable acid addition salts thereof, exhibit a potent activity on muscle relaxation. Furtheron a process for the preparation of these compounds is disclosed.