SUBSTITUERADE IMINODERIVAT AV DIHYDROBENSOPYRAN OCH DIHYDROBENSOTIOPYRAN OCH FORFARANDE FOR DERAS FRAMSTELLNING

摘要

Substituted imino derivatives of 4 H-2, 3-dihydrobenzopyran and 4 H-2, 3-dihydrobenzothiopyran, and pharmaceutical compositions containing them. The compounds are active on the central nervous system, in particular as central nervous system depressants, i.e., sedatives, anticonvulsive agents, tranquilizers and sleep-inducing agents.