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Title:
IMPARTING OF AROMATIC CHARACTERISTIC TO PERFUMING COMPOSITION OR PERFUMED ARTICLE, AND REINFORCING, IMPROVING OR MODULATING THE SAME, PERFUMING COMPOSITION OR PERFUMED ARTICLE, AND NEW COMPOUND
Document Type and Number:
Japanese Patent JP3400496
Kind Code:
B2
Abstract:

PURPOSE: To give a fresh and green odor note of rosy type characteristic and an effect of original, profitable aromatic characteristic by adding tetrahydro-4- methyl-2-phenyl-2H-pyran.
CONSTITUTION: The mixture of 5,6-dihydro-4-methyl-2-phenyl-2H-pyran and tetrahydro-4-methylene-2-phenyl-2H-pyran, in an autoclave, is hydrogenated in ethyl alcohol in the presence of charcoal supported with Pd, to obtain tetrahydro-4-methyl-2-phenyl-2H-pyran. Tetrahydro-4-methyl-2-phenyl-2H-pyran of ≥0.1 wt.% is added to perfuming compositions and perfumed articles.


Inventors:
Hugh Watkins
Ola Macy. Liu
James A. Kryvda
Application Number:
JP18474493A
Publication Date:
April 28, 2003
Filing Date:
July 27, 1993
Export Citation:
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Assignee:
Firmenich SA
International Classes:
A61K8/00; A61K8/49; A61Q13/00; C11B9/00; C11D3/28; C11D3/50; C11D9/30; C11D9/44; (IPC1-7): C11B9/00; A61K7/46; C11D3/28; C11D3/50; C11D9/30; C11D9/44
Other References:
J.Org.Chem.,1991年,Vol.56,No.18,p−5245−5247
Attorney, Agent or Firm:
Toshio Yano (1 outside)