Preparation of 6a,10a-trans-hexahydrodibenzopyranones

Details Preparation of 6a,10a-trans-hexahydrodibenzopyranones Preparation of 6a,10a-trans-hexahydrodibenzopyranones

1982-05-24

1983-07-26

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31178

Patent

active

043955606

ABSTRACT:
Reaction of an O-methyl or O-ethyl resorcinol with a cyclohexene carbinol derivative in the presence of a catalyst affords a 6a,10a-trans-1-methoxy or 1-ethoxy-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro-9H-dibenzo[b,d]pyran-9-one derivative.

REFERENCES:
patent: 4054581 (1977-10-01), Blanchard et al.
patent: 4054582 (1977-10-01), Blanchard et al.
patent: 4131614 (1978-12-01), Ryan
patent: 4148809 (1979-04-01), Day et al.
patent: 4171315 (1979-10-01), Ryan

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