Process for the production of 1-functional allylalcohol carboxyl

Details Process for the production of 1-functional allylalcohol carboxyl Process for the production of 1-functional allylalcohol carboxyl

1998-02-26

1999-11-09

Barts, Samuel

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

Organic compounds

Carboxylic acid esters

560106, 560113, 560254, C07C 6700, C07C 6976, C07C 6702

Patent

active

059817925

ABSTRACT:
The process for preparing 1-functional allyl alcohol carboxylic esters comprises reacting a 3-functional allyl alcohol with the anhydride of the carboxylic acid at temperatures above 100.degree. C. in the presence of metal compounds of transition groups V to VII, namely at temperatures of 100-200.degree. C., preferably 130-150.degree. C. As metal compounds, it is possible to use oxidic metal compounds in the highest or at least second highest oxidation state of the transition metals, for example tungstic acid or its salts and/or tungsten(VI) oxide and/or molybdenum(V) oxide and/or molybdenum(VI) oxide and/or rhenium(VII) oxide. The 3-functional allyl alcohol and the carboxylic anhydride are advantageously used in equimolar amounts, if desired with a slight excess of anhydride, and an alkali metal salt of a weak acid, for example sodium carbonate or sodium acetate, can be added to the reaction mixture in an amount sufficient to trap free protons.

REFERENCES:
patent: 3975310 (1976-08-01), Kovats et al.
patent: 4169109 (1979-09-01), Yoshida et al.
patent: 5614484 (1997-03-01), Panandiker
patent: 5756827 (1998-05-01), Sivik
G. V. Kryshtal et al., Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 679-681, Mar. 1987.

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