Perfumery compositions

Details Perfumery compositions Perfumery compositions

1985-01-29

1986-08-19

Lone, Werren B.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

549333, A61K 746

Patent

active

046068490

ABSTRACT:
3,3-Dimethyl-1,5-dioxaspiro [5,5] undecane is useful in perfumery compositions. It can be made economically by reaction of cyclohexanone with neopentyl glycol in the presence of an acid, generally paratoluene sulphonic acid, under dehydrating conditions, generally by refluxing with a non-polar solvent.

REFERENCES:
patent: 3901920 (1975-08-01), Lesher et al.
patent: 4113664 (1978-09-01), Conrad et al.
Ansari et al., Chemical Abstract, vol. 104 (3) 19594 (1985).
Nippon Petro Chem., Chemical Abstracts, vol. 96 (23) 199664e (1982).

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