Process for preparing cis-dihydronopol

Details Process for preparing cis-dihydronopol Process for preparing cis-dihydronopol

1991-12-02

1992-12-29

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

568820, C07C 1702, C07C 3522, C07C 3524, C07C 3526

Patent

active

051753472

ABSTRACT:
A process for preparing cis-dihydronopol and esters thereof in which corresponding esters of (-)nopol are stereoselectively hydrogenated by heterogeneous hydrogenation in the presence of a platinum, platinum oxide or ruthenium/carbon catalyst, and the resulting cis-dihydronopyl esters optionally may be converted into corresponding alcohols by hydrolysis.

REFERENCES:
patent: 3845048 (1974-10-01), Baronnet

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