Benzopyrans having an unsaturated side chain

Details Benzopyrans having an unsaturated side chain Benzopyrans having an unsaturated side chain

1976-02-02

1977-07-19

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260240R, 260240J, 424283, 260327M, C07D30783

Patent

active

040368572

ABSTRACT:
3-Formyl-6a,7,10,10a-tetrahydro-6,6,9-trimethyl-6H-dibenzo[b,d]pyran-1-ol, ethers and esters thereof having the formula ##STR1## wherein R is hydrogen, lower alkyl or lower alkanoyl and R.sub.6 is formyl or 1,3-dithiolan-2-yl but is 1,3-dithiolan-2-yl only when R is hydrogen, and derivatives thereof of the formula ##STR2## wherein R.sub.1 is hydrogen or lower alkanoyl, R.sub.2 is alkyl, aryl-lower alkyl or cycloalkyl-lower alkyl, A represents ##STR3## when R.sub.1 is hydrogen and R.sub.3 is lower alkyl, and A is ##STR4## when R.sub.1 is lower alkanoyl and R.sub.4 is the same lower alkanoyl represented by R.sub.1, processes of making such compounds and intermediates useful in such processes, pharmaceutical compositions containing the compounds and the use of the compounds as tranquilizing and antidepressant agents.

REFERENCES:
patent: 3856822 (1974-12-01), Bender et al.
patent: 3901926 (1975-08-01), Winn et al.
patent: 3941782 (1976-03-01), Harris et al.
Fahrenholtz, J. Org. Chem., 37, p. 2204 (1972).

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