Isomeric formyl trimethylbicyclo[2.2.2]oct-7-enes

Perfume compositions – Perfume compositions – Ring containing active ingredient

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424 70, 512 8, 512 14, 568445, A61K 746, C07C 4744

Patent

active

049924168

ABSTRACT:
Isomeric formyl trimethylbicyclo[2.2.2]oct-7-enes, their use as perfumes, and a process for their preparation comprising a Diels-Alder reaction of acrolein with either 1,5,5-trimethylcyclohexa-1,3-diene, 3,5,5-trimethylcyclohexa-1,3-diene, 5,5-dimethyl-3-methylene-cyclohex-1-ene or mixtures thereof.

REFERENCES:
patent: 3914322 (1975-10-01), Chappell et al.
Chem. Abstr., 76, 4021z, (1972); Houben-Weyl, Bd. V/1c, pp. 977-1139, (1966).
Chemical Abstract, 97:163242x, 1982.
Chemical Abstract, 109:128453m, 1988.

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