Isomerization of .beta.-.gamma.-unsaturated alcohol or its ester

Details Isomerization of .beta.-.gamma.-unsaturated alcohol or its ester Isomerization of .beta.-.gamma.-unsaturated alcohol or its ester

1980-05-23

1982-07-06

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2604056, 560 67, 560 71, 560112, 560113, 560179, 560183, 560189, 560224, 560225, 560249, 560261, 560262, 568875, 568906, B01J 1908, C07C 3500, C07C 67333, C07C 6976

Patent

active

043381707

ABSTRACT:
A cis-trans isomerization of a cis-.beta.-.gamma.-unsaturated alcohol or its ester having the formula ##STR1## wherein R.sub.1 represents hydrogen atom or a C.sub.1 -C.sub.5 alkyl group; X represents hydrogen atom or ##STR2## and R.sub.2 represents a hydrocarbon moiety or a hydroxyhydrocarbon moiety; R.sub.3 represents hydrogen atom or a hydrocarbon moiety into a transform, in the presence of a mercaptan as a catalyst, is provided. It can be also attained in the presence of a mercaptan and/or a disulfide as a catalyst in an inert gas environment with an initiator. It can be also attained in the presence of a mercaptan under an irradiation, if desired with a small amount of an initiator.

REFERENCES:
patent: 2979445 (1961-04-01), Lavigne et al.
patent: 4105700 (1978-08-01), Fujita et al.

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