Dioxa-tricycloundecane compounds

Details Dioxa-tricycloundecane compounds Dioxa-tricycloundecane compounds

2005-11-30

2009-11-10

Eashoo, Mark (Department: 1796)

Perfume compositions

Perfume compositions

Ring containing active ingredient

C512S013000, C549S433000

Reexamination Certificate

active

07615525

ABSTRACT:
A compound of the formula Iin which the moieties R1-R13are independently selected from the following moieties:R1, R5, R6, R8, R11—H, methyl, ethyl, propyl, isopropyl; R3—H, methyl, ethyl, propyl, isopropyl, vinyl; R4—H, methyl, ethyl; R2, R7, R9—H, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, t-butyl; R10—H, methyl, ethyl, propyl, isopropyl, t-butyl; R12, R13—H, C1-6linear or branched alkyl; or R4and R11together with the carbon atoms to which they are attached form a 5- or a 6-membered cycloalkyl ring; or R6and R7together with the carbon atoms to which they are attached form a cycloalkyl ring having 3, 4, 5 or 6 members. The compounds have strong odours and are useful in fragrances and fragrance applications.

REFERENCES:
patent: 5892062 (1999-04-01), Pickenhagen et al.
patent: 857723 (1998-08-01), None
patent: 1234822 (2002-08-01), None
patent: 1496055 (2005-01-01), None
International Search Report dated Jun. 27, 2006 for Application PCT/CH2005/000715.
Written Opinion of the International Searching Authority for Application PCT/CH2005/000715, Jun. 27, 2006.
English-language abstract for EP 857723 obtained online from esp@cenet, 1998.

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