6,7,8,9-Tetrahydronaphtho(1,2-B)furan-8-amine derivatives and their use as dopamine receptor stimulants

摘要

Herein is disclosed compounds of the formula <IMAGE> in which R1 and R2 each is hydrogen or lower alkyl or R1 and R2 together form an alkylene of the formula (CH2)n wherein n is an integer from 4 to 6, therapeutically acceptable acid addition salts thereof, processes for their preparation, methods of using the compounds and pharmaceutical compositions. The compounds exhibit dopamine-receptor stimulating activity in a mammal and are useful for treating hyperprolactinemia, galactorrhea, amenorrhea, impotence, Parkinsonism, diabetes, acromegaly, hypertension and other central nervous system disorders.