BETA-GAMMA UNSATURATED ESTERS AND PROCESS OF PRODUCTION OF BETA-GAMMA UNSATURATED ESTERS

BETA-GAMMA UNSATURATED ESTERS AND PROCESS OF PRODUCTION OF BETA-GAMMA UNSATURATED ESTERS

A process for the preparation of ,γ-unsaturated-γ, γ-disubstituted esters 1 with high E/Z- and ,γ/α, -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/hali...

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Bibliographische Detailangaben
Hauptverfasser: MUELLER, URS, GYGAX, PETER, SCHROEDER, FRIDTJOF
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:A process for the preparation of ,γ-unsaturated-γ, γ-disubstituted esters 1 with high E/Z- and ,γ/α, -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.