Process for the preparation of (.+-.)-3a-6,6,9a-tetramethylperhy

Details Process for the preparation of (.+-.)-3a-6,6,9a-tetramethylperhy Process for the preparation of (.+-.)-3a-6,6,9a-tetramethylperhy

1986-03-10

1986-12-30

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

549458, 568374, 568819, C07C 6974

Patent

active

046330119

ABSTRACT:
3a,6,6,9a-Tetramethylperhydronaphto[2,1-b]furan, a typical ambergris perfume ingredient is prepared via a novel process from 1.beta.-(2-hydroxyethyl)-perhydro-2,5,5,8a.beta.-tetramethyl-2.beta.-trans -naphthalenol by cyclization with an acidic cyclization agent in the presence of nitromethane.

REFERENCES:
patent: 2914565 (1959-11-01), Ohloff
patent: 3852331 (1974-12-01), Hajos

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