Branched chain ketones and uses thereof in augmenting or enhanci

Details Branched chain ketones and uses thereof in augmenting or enhanci Branched chain ketones and uses thereof in augmenting or enhanci

1982-06-04

1984-02-07

Tungol, Maria Parrish

Compositions

Durable finishes for textile materials, or processes of...

Oil or water repellent or soil resistant or retardant

D06M 1320

Patent

active

044302339

ABSTRACT:
Described are acylated derivatives of triisobutylene defined according to the generic structures: ##STR1## wherein, in each of the molecules one of the dashed lines represents a carbon-carbon double bond and each of the other of the dashed lines represents a carbon-carbon single bond; and wherein, in each of the molecules R.sub.3 represents methyl or ethyl; uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic, zwitterionic detergents, cosmetic powders, hair sprays and the-like) as well as processes for preparing same by first trimerizing isobutylene to form one or more compounds defined according to at least one of the structures: ##STR2## wherein in each of the molecules one of the dashed lines represents a carbon-carbon double bond and each of the other dashed lines represent carbon-carbon single bonds; and then reacting one or more of these trimerized isobutylene derivatives with an acyl anhydride having the structure: ##STR3## wherein, R.sub.1 and R.sub.2 are the same or different and each represents methyl or ethyl in the presence of a Lewis acid catalyst such as boron trifluoride etherate or stannic chloride thereby forming the acylated branched chain ketones of our invention defined according to at least one of the structures: ##STR4##

REFERENCES:
patent: 2315046 (1943-03-01), Byrns
patent: 2463742 (1945-11-01), Byrns
patent: 4321255 (1982-03-01), Boden

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