Methyl substituted propyl-substituted pentamethyl indane derivat

Details Methyl substituted propyl-substituted pentamethyl indane derivat Methyl substituted propyl-substituted pentamethyl indane derivat

1994-09-22

1996-03-26

Reamer, James H.

Perfume compositions

Perfume compositions

Ring containing active ingredient

512 14, 570183, 568658, 568808, 549385, A61K 746

Patent

active

055020313

ABSTRACT:
Described are methyl, substituted propyl-substituted pentamethyl indane derivatives defined according to the structure: ##STR1## wherein R.sub.1 represents chloro, hydroxyl or OR.sub.6 ; and R.sub.5 represents methyl or hydrogen with the proviso that when R.sub.1 is chloro, R.sub.5 is hydrogen, and wherein the structure represents a mixture wherein in the mixture in one of the compounds R.sub.4 and R.sub.4 ' are both methyl and R.sub.7 is methyl (about 90% by weight); and in the other compounds one of R.sub.4 or R.sub.4 ' is methyl and the other is ethyl (about 10% by weight of the compounds) and R.sub.7 is hydrogen; and uses thereof in augmenting, enhancing or imparting aromas in or to perfume compositions.
Also described are processes for preparing such methyl, substituted propyl-substituted pentamethyl indane derivatives using as a starting material the mixture of compounds defined according to the structure: ##STR2## also know as GALAXOLIDE.RTM. (trademark of International Flavors & Fragrances Inc.).

REFERENCES:
patent: 3660311 (1972-05-01), Wight
patent: 4001330 (1977-01-01), Curran
patent: 4162256 (1979-07-01), Sprecker et al.
patent: 4250200 (1981-02-01), Wiegers et al.
patent: 4292193 (1981-09-01), Wiegers et al.
patent: 4314915 (1982-02-01), Wiegers et al.
patent: 5376630 (1994-12-01), Sprecker et al.

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