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Title:
AROMATIC COMPOUND, APPLICATION, IMPROVEMENT, INCREASE OR MODIFICATION OF FRAGRANT CHARACTERISTIC, PERFUME COMPOSITION AND PERFUME-ADDED PRODUCT, PRODUCTION OF THE AROMATIC COMPOUND AND STARTING COMPOUND FOR THE AROMATIC COMPOUND AND PRODUCTION OF THE STARTING COMPOUND
Document Type and Number:
Japanese Patent JP3887428
Kind Code:
B2
Abstract:

PURPOSE: To obtain a new compound excellent in oxidation stability, having fragrant characteristics advantageous from the viewpoint of fragrance tenacity and useful as a perfume.
CONSTITUTION: A compound of formula I [X is CHO, a group of formula II (R' is a 1-4C alkyl, a 2-4C alkylene); R2 is H, methyl; R1, R3 are different from each other and are each H or methyl], a compound of formula III (the tertiary butyl group is placed at the 5 or 6-position of an aromatic ring; Y is H, CH2 CHO or the like), and a compound of formula IV (R is H, methyl). For example, 3-(5-tertary butyl-2-methyl-1-phenyl)propanal. The compound of formula I is obtained by hydrolyzing an ether ester of formula V with an acid and subsequently acetalizing the obtained aldehyde.


Inventors:
Bear Winterl
Pierre-Alain Blanc
Surge Lambore
Application Number:
JP13447695A
Publication Date:
February 28, 2007
Filing Date:
May 31, 1995
Export Citation:
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Assignee:
FIRMENICH SA
International Classes:
C07C47/235; A61K8/33; A61K8/37; A61Q13/00; C07C33/34; C07C41/48; C07C41/50; C07C43/303; C07C45/30; C07C45/36; C07C45/42; C07C45/46; C07C45/51; C07C45/54; C07C45/62; C07C45/65; C07C45/68; C07C45/74; C07C47/228; C07C47/23; C07C47/232; C07C47/453; C07C69/007; C07C69/145; C07C69/753; C07D317/12; C07D319/06; C07D321/06; C11B9/00; (IPC1-7): C07C43/303; A61K7/46; A61K7/46; C07C33/34; C07C41/48; C07C41/50; C07C45/42; C07C47/228; C07C47/23; C07C47/232; C07C47/453; C07C69/145; C07D317/12; C07D319/06; C07D321/06; C11B9/00
Domestic Patent References:
JP2238097A
JP2188550A
JP1503536A
JP62056447A
JP57045125A
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki