Process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphth

Details Process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphth Process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphth

1982-04-15

1988-12-27

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

131276, 25217411, 426538, 512 4, 512 15, 560231, 568341, 568346, 568374, C07C 69145

Patent

active

047941936

ABSTRACT:
Described is a process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphthalenone having the structure: ##STR1## and intermediates useful in such process defined according to the structure: ##STR2## wherein one of R.sub.3 or R.sub.4 is hydrogen and the other of R.sub.3 or R.sub.4 is acetyl; and one of R.sub.1 or R.sub.2 is methyl and the other of R.sub.1 or R.sub.2 is acetoxy, said compound defined according to the structure: ##STR3## being useful in augmenting or enhancing the aroma or taste of consumable materials including foodstuffs, chewing gums, medicinal products, chewing tobaccos, toothpastes, smoking tobaccos, smoking tobacco articles, perfumes, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners, fabric softener articles and perfumed polymers. Also defined and claimed is the pure crystalline form of the compound defined according to the structure:

REFERENCES:
Chemical Abstracts, 50:1627c.
Chemical Abstracts, 70:11834w.
Chemical Abstracts, 72:132144w.

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