Oxo c-ring benzopyrans

Details Oxo c-ring benzopyrans Oxo c-ring benzopyrans

C - Chemistry, Metallurgy

07

D

260/357, 260/359

C07D 311/80 (2006.01) C07D 311/94 (2006.01)

Patent

CA 1097363

??8675 Abstract of the Disclosure Benzopyrans of the formula Image wherein n represents 0 or 1, R is an alkyl group having 1 to 20 carbon atoms, an aryl-lower alkyl group or a cycloalkyl- lower alkyl group, R1 is hydrogen or Image wherein R4 is lower alkyl, phenyl, cycloalkyl-lower alkyl or aryl-lower alkyl, R2 is a lower alkyl and R3 is hydrogen or one or two lower alkyl groups, pharmaceutical compositions containing the compounds, and uses of the compounds as tranquilizers and analgesics.

268675

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