Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-07-20
1977-05-31
Helfin, Bernard
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260617A, 2606065F, 260488A, 260617E, 260586R, 260488R, 195109, 260611V, 2603451, C07C 4746
Patent
active
040269493
ABSTRACT:
A process for fermentatively hydrogenating and reducing ketoisophorone to produce optically active [4R,6R]-4-hydroxy-2,6,6-trimethyl-cyclohexanone useful as an intermediate in the production of optically active carotenoids and intermediates in the production of these carotenoids.
REFERENCES:
patent: 3694491 (1972-09-01), Surmatis
Kishore, et al., Chemical Abstracts, vol. 75, (1971) 32144q.
Boguth Walter
Leuenberger Hans Georg Wilhelm
Mayer Hans Johann
Widmer Erich
Zell Reinhard
Epstein William H.
Helfin Bernard
Hoffmann-La Roche Inc.
Leon Bernard S.
Welt Samuel L.
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