Alkyl substituted-4-oxo-cyclopenta benzopyrans

Details Alkyl substituted-4-oxo-cyclopenta benzopyrans Alkyl substituted-4-oxo-cyclopenta benzopyrans

1975-07-09

1977-02-08

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424279, 2603453, 260621K, C07D31178

Patent

active

040072070

ABSTRACT:
1,2,3,4-Tetrahydrocyclopenta[c][1]benzopyrans of the formulae ##STR1## wherein R is a lower alkyl group having 1 to 5 carbons, R.sub.1 is hydrogen or a lower alkyl group having 1 to 5 carbons, R.sub.2 is a lower alkyl group and R.sub.3 is an alkyl group having 1 to 20 carbon atoms, a phenyl-lower alkyl group or a cycloalkyl-lower alkyl group. The compounds have anti-hypertensive, antidepressant, analgesic, anticonvulsant, anti-anxiety, sedative-hypnotic and tranquilizing activity in animals.

REFERENCES:
patent: 3639426 (1972-02-01), Razdan et al.

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