Process for hydrogenation of 2,6,6-trimethyl cyclohexene derivat

Details Process for hydrogenation of 2,6,6-trimethyl cyclohexene derivat Process for hydrogenation of 2,6,6-trimethyl cyclohexene derivat

1978-12-15

1981-09-29

Trousof, Natalie

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

Organic compounds

Oxygen containing

568376, 568345, 568347, 568350, 252522R, 252108, 252173, 25217411, 424 52, 424176, 424184, 424201, 426538, 426589, 426597, 426650, 560125, 560170, 131276, C07C 49303, C07C 49543, C11B 900

Patent

active

042924472

ABSTRACT:
Described is a process for preparing hydrogenated derivatives of 2,6,6-trimethyl cyclohexene derivatives by means of treating said derivatives with hydrogen in the presence of a supported palladium catalyst such as palladium-on-calcium carbonate or palladium-on-barium sulfate in the presence of a quinoline activator. The resulting products are useful for their organoleptic properties as foodstuff flavorants and flavor enhancers, perfume composition ingredients, perfumed article ingredients and tobacco flavorants and flavor enhancers.

REFERENCES:
patent: 3887625 (1975-06-01), Schulte-Elte
patent: 3890370 (1975-06-01), Buchi et al.
patent: 3900520 (1975-08-01), Schenk et al.
patent: 3928456 (1975-12-01), Kovats et al.
patent: 3946078 (1976-03-01), Rautenstrauds et al.
patent: 3956392 (1976-05-01), deHaan et al.
Fuser et al., "Reagents for Org. Syn.", vol. 1, pp. 566, 567, 1276, 1277, John Wiley & Sons (1974).
Kovats et al., I, "CA" 71:80798v (1969).
Kovats et al. II, "CA" 74:76564k (1971).

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