Intermediates useful in the production of norpatchoulenol

Details Intermediates useful in the production of norpatchoulenol Intermediates useful in the production of norpatchoulenol

1977-02-10

1979-03-27

Garner, Vivian

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

Organic compounds

Oxygen containing

195 51R, 260598, 560107, 560117, 560249, 560256, 562499, 568665, 568660, C07C 3522, C07C 3536

Patent

active

041467400

ABSTRACT:
Intermediates useful for the synthesis of the valuable perfume material norpatchoulenol, said intermediates having the formula, for instance ##STR1## This intermediate, which is a novel compound, is useful as an intermediate for the production of ethers, esters and other intermediates, which are also novel compounds, such as, for instance, methyl, ethyl, isopropyl and benzyl ethers which can be represented by the formulae ##STR2## wherein R is hydrogen or lower carboxylic acyl. ##STR3## WHERE R is lower alkyl, such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, benzyl, etc., and ##STR4## where ##STR5## is a lower acyl radical such as acetyl, propionyl, butyryl, benzoyl, etc. Such intermediates are readily prepared by etherification and esterification reaction procedures and said intermediates are useful as intermediates for the preparation of other odorants.
The intermediate of the above formula I is, however, especially valuable for the production of the novel acid-alcohol compound corresponding to the formula ##STR6## which it has been discovered is highly effectively converted, by oxidative decarboxylation, to the valuable perfume material norpatchoulenol which latter has the formula ##STR7##

REFERENCES:
patent: 3895068 (1975-07-01), Duling
patent: 3925486 (1975-12-01), Greuter et al.

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