Process for the alkoxylation of compounds containing alcoholic h

Details Process for the alkoxylation of compounds containing alcoholic h Process for the alkoxylation of compounds containing alcoholic h

1975-04-03

1976-07-13

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260615R, 260611B, 260613B, C07C 4102, C07C 4110

Patent

active

039694178

ABSTRACT:
This invention relates to an improvement in the process of alkoxylation of compounds containing alcoholic hydroxyl groups by reacting compounds containing hydroxyl groups with alkylene oxides in the presence of alkoxylation catalysts. The said improvement involves the use of a tertiary oxonium salt with a substantially non-polarizable halogeno-complex anion as the said alkoxylation catalyst. Use of such catalysts gives lower amounts of unreacted alcohols in the products, particularly when secondary alkanols of 8 to 24 carbon atoms are employed.

REFERENCES:
patent: 2870220 (1959-01-01), Carter
patent: 3219631 (1965-11-01), Kullman et al.
patent: 3393219 (1968-07-01), Myerly et al.
patent: 3425999 (1969-02-01), Axelrood et al.
Merrall et al., Can. J. Chem. 38, pp. 1917-1975, 1960.
Latrimouille et al., J.A.C.S. 82, 120-124, 1960.
Rosenberg et al., J. Polymer Sci., Part C, No. 16, 1917-1929, 1967.
USPB 717, Jan. 11, 1946, 1-10, 14, 17.
USPB 22713-S, Oct. 3, 1947, pp. 1-6, 80-90, 92.

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