(E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1

Details (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1 (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1

1998-07-01

2000-07-04

Shippen, Michael L.

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

Organic compounds

Oxygen containing

C07C 3506

Patent

active

060841389

ABSTRACT:
An (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1-ol represented by formula (I): ##STR1## wherein R represents an alkyl group having 1 to 3 carbon atoms, and a process for preparing the same comprising hydrogenating a corresponding (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1-al in the presence of a ruthenium-phosphine complex as a catalyst, a base comprising an alkali metal or an alkaline earth metal, and an amine. The compound (I) has an excellent sandalwood oil odor.

REFERENCES:
patent: 4052341 (1977-10-01), Naipawer
patent: 4318831 (1982-03-01), Klein
patent: 4666629 (1987-05-01), Wiegers
patent: 5874649 (1999-02-01), Tanaka
Reinhardt, J. Chromatogr. A, 697, pp. 475-484, 1995.

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