Methyl substituted-2-oxohexane derivatives and processes for pre

Details Methyl substituted-2-oxohexane derivatives and processes for pre Methyl substituted-2-oxohexane derivatives and processes for pre

1982-02-04

1983-12-20

Waltz, Thomas A.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

25217411, 568451, 568385, 568893, A61K 746

Patent

active

044216793

ABSTRACT:
Described are methods for augmenting or enhancing the aroma of perfumes and perfumed articles by adding thereto perfume aroma augmenting or enhancing quantities of novel methyl substituted-2-oxohexane derivatives produced by dimerizing isoamylene (2-methyl-2-butene) and then oxidizing the resulting product using formic acid and hydrogen peroxide; and optionally reacting the resulting product with a methyl Grignard reagent such as methyl magnesium chloride followed by hydrolysis; as well as perfume compositions, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, hair preparations, perfumed polymers and deodorant compositions as well as bleaching compositions containing same.
Also covered is the genus of compounds defined according to the structure: ##STR1## wherein R.sub.1 and R.sub.2 taken together represent oxygen; or wherein, taken separately, R.sub.1 is hydroxyl and R.sub.2 is methyl or R.sub.1 is oxymagnesium halide and R.sub.2 is methyl; and wherein R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 represent hydrogen or methyl with the provisos that:

REFERENCES:
patent: 4198532 (1980-04-01), Ochener
patent: 4304689 (1981-12-01), Boden et al.
patent: 4311617 (1982-01-01), Ansari et al.
patent: 4318934 (1982-03-01), Boden
patent: 4321255 (1982-03-01), Boden
Arctander, Perfume and Flavor Chemicals, vol. II, Monographs 2913, 2914, 2920, 3007 and 3008.

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