The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2014
Filed:
Dec. 17, 2010
Applicants:
Fridtjof Schröder, Hettlingen, CH;
Urs Mueller, Kanchanaburi, TH;
Peter Gygax, Maur, CH;
Inventors:
Assignee:
Givaudan S.A., Vernier, CH;
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/32 (2006.01); C07D 307/92 (2006.01);
U.S. Cl.
CPC ...
C07C 67/32 (2013.01);
Abstract
A process for the preparation of β,γ-unsaturated-γ, γ-disubstituted esters 1 with high E/Z- and β,γ/α,β-ratios, Formula (1) by reacting at a temperature of between about 130 and 170 degrees centigrade the conjugated malonate Formula (3) with, a group I, II or III metal halide or an organic cation/halide anion pair, an inorganic proton source and a polar solvent.