C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/16 (2006.01) C07C 37/06 (2006.01) C07C 37/07 (2006.01) C07C 39/08 (2006.01) C07C 67/00 (2006.01) C07C 67/46 (2006.01) C07C 69/017 (2006.01) C07C 69/28 (2006.01)
Patent
CA 2261404
This invention relates to an improved process for the production of 2,3,5-trimethylhydroquinone by rearrangement of 4-oxoisophorone (ketoisophorone, 3,5,5-trimethyl-2- cyclohexen-1,4-dione) to yield a trimethylhydroquinone diester and the subsequent saponification thereof. Trimethylhydroquinone is in turn an important starting material for the production of vitamin E.
Hasselbach Hans Joachim
Hubner Frank
Huthmacher Klaus
Krill Steffen
Shi Nongyuan
Degussa Ag
Degussa-Huls Aktiengesellschaft
Marks & Clerk
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