| 摘要 |
<p>3-(Piperidinoethyl)-benzofurans. Title cpds. of formula (I) (where R1 and R2 are H, F, Cl, Br, is not >2C alkyl or is not >2C alkoxy and R3 is not >4C alkyl) and their acid addition salts, which are analgesics, spasmolytics and antitussives without CNS-depressant action, are prepd. by catalytically hydrogenating quaternary cpds. of formula (II) (where X- is a monovalent anion or one equiv. of a polyvalent anion).</p> |
