| 摘要 |
Described is a process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphthalenone having the structure: <IMAGE> and intermediates useful in such process defined according to the structure: <IMAGE> wherein one of R3 or R4 is hydrogen and the other of R3 or R4 is acetyl; and one of R1 or R2 is methyl and the other of R1 or R2 is acetoxy, said compound defined according to the structure: <IMAGE> 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 prue crystalline form of the compound defined according to the structure: <IMAGE>
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