Process for manufacture of beta-isophorone

Details Process for manufacture of beta-isophorone Process for manufacture of beta-isophorone

1992-09-11

1994-01-04

Reamer, James H.

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

Organic compounds

Oxygen containing

C07C 4567

Patent

active

052761975

ABSTRACT:
The invention is concerned with a process for the manufacture of beta-isophorone from alpha-isophorone by converting alpha-isophorone into beta-isophorone in the presence of a heterogeneous catalyst in the gas phase. The heterogenous catalyst used is especially an oxide or mixed oxide of the elements Mg, Al, Si and Ni.

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patent: 4845303 (1989-04-01), Bellut
Heymes et al., Synthesis of 3,3,5,5-tetramethyl-4-acetyl-cyclohexanone, Recherches 1971, 18, 106-108.
Chemical Abstracts, vol. 112, No. 15, 1990, Columbus, Ohio, U.S. Abstract No. 138649F, Ito, Nobuhiko, et al.

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