Organic compounds

Details Organic compounds Organic compounds

2007-11-02

2011-10-04

Chong, Yong (Department: 1627)

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

Organic compounds

Oxygen containing

C568S445000, C512S018000

Reexamination Certificate

active

08030524

ABSTRACT:
Described are 2,2,3-trimethylcyclopentane derivatives of formula 1wherein R1is methyl or ethyl; and R2is hydrogen, methyl or ethyl.The invention furthermore relates to a method of their production a to fragrance compositions comprising them.

REFERENCES:
patent: 5929291 (1999-07-01), Bajgrowicz
patent: 0466019 (1992-01-01), None
patent: 0801049 (1997-10-01), None
patent: 2006102777 (2006-10-01), None
Journal of Chemical Information and Computer Sciences vol. 43, No. 1, 2003, pp. 259-266, Assia Kovatcheva et al., “QSAR modeling of x-campholenic derivatives with sandalwood odor”.
Bajgrowicz J A et al.: “Synthesis and Structure Elucidation of a New Potent Sandalwood-Oil Substitute” Helvetica Chimica Acta, Verlad Helvetica CHemica Acta. Basel, CH vol. 81, 1998, pp. 1349-1358, XP002362562.
Fragrance Chemistry, The Science of the Sense of Smell, edited by Ernst T. Theimer, 1982, Academic Press, pp. 426-429.

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