7 - formyl - 1,1,4,4 - tetramethyl - 1,2,3,4 - tetrahydronaphthalenderivater, duftpraeparat including these and procedure to modify, increase or improve the organoleptic properties of perfumescolognes and perfumed articles using these

摘要

The present invention relates to novel musk compounds, useful as fragrance materials which have the structure: IMAGE wherein R is hydrogen or methyl and R1 and R2 are hydrogen, methyl, or ethyl, and provides methods for preparing these compounds from readily available intermediates. The invention also provides fragrance compositions which include the compounds, and processes for altering the organoleptic properties of perfume compositions, colognes and perfumed articles by adding organoleptically effective amounts of the compounds.