Acetyl-tri-and-tetramethyl-octahydronaphthalenes and fragrance c

Details Acetyl-tri-and-tetramethyl-octahydronaphthalenes and fragrance c Acetyl-tri-and-tetramethyl-octahydronaphthalenes and fragrance c

1992-09-25

1993-05-25

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560126, C07D31104

Patent

active

052141608

ABSTRACT:
The invention concerns novel odorants of formula I wherein R is hydrogen or methyl. ##STR1## The invention also concerns fragrance compositions containing I. Formula I is intended to particularly embrace as the racemates, (.+-.)-3.alpha.-acetyl-3.beta.,4.beta.,5,5-tetramethyl-2,3,4,4a.beta.,5,6, 7,8-octahydronapthalene and (.+-.)-3.alpha.-acetyl-4.beta.,5,5,-trimethyl-2,3.beta.,4,4a.beta.,5,6,7,8 -octahydronapthalene.

REFERENCES:
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patent: 3856819 (1974-12-01), Deumens et al.
patent: 3929677 (1975-12-01), Hall et al.
Mousseron-Canet et al, Chem. Abst., vol. 54, #2400H (1960).
Nozoe et al, Tetrahedron, vol. 27, pp. 6073-6081 (1971).
M. Mousseron-Canet et al., Bull. Soc. Chim. France, (1959) 601-6.
K. Ishii et al., Heyl. Chim. Acta, 67 (1984) 1175-83.
S. Schreiber et al., J. Org. Chem., 54 (1989) 9-10.

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