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

1981-02-27

1982-01-19

Tungol, Maria Parrish

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428905, 252 86, 252522R, 252109, 252173, 131276, 426590, 426599, 424 70, 424 73, B32B 3300, D04H 140

Patent

active

043117546

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: 3589372 (1971-06-01), Theimer
patent: 3632396 (1972-01-01), Perez-Zamora
patent: 3956392 (1976-05-01), de Haan et al.
patent: 4065408 (1977-12-01), Evers et al.
patent: 4076749 (1978-02-01), Schreiber

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