Preparation of isochromane derivatives

Details Preparation of isochromane derivatives Preparation of isochromane derivatives

1984-01-31

1985-06-11

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549389, 549398, 549408, C07D31178, C07D31102

Patent

active

045230234

ABSTRACT:
A process for the preparation of an isochromane of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and denote hydrogen, lower alkyl or lower alkoxy, or together form a cyclopentane or cyclohexane ring which is optionally substituted by lower alkyl and

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patent: 4162256 (1979-07-01), Sprecker et al.
patent: 4181665 (1980-01-01), McCall
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patent: 4301076 (1981-11-01), Wiegers et al.

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