Precursors for ketones and aldehydes

Details Precursors for ketones and aldehydes Precursors for ketones and aldehydes

2002-05-29

2009-08-11

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Oxygen containing

C568S312000, C512S024000, C512S027000

Reexamination Certificate

active

07572938

ABSTRACT:
The present invention refers to compounds of formula Ias precursors for a ketone of formula II,an aldehyde or ketone of formula III, and an aldehyde or ketone of formula IV,These compounds are useful in perfumery, especially in the fine and functional perfumery.

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PCT International Search Report, dated Aug. 14, 2002, for PCT/CH02/00281.
XP-002182228 Database WPI Sec. Ch, Week 198306; Derwent Publications Ltd., London, GB; AN 1983-13363K -JP 57 210076 A (Ipposha Yushi Kogyo KK), Dec. 23, 1982 abstract.

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