Preparation of ketals

Details Preparation of ketals Preparation of ketals

1974-05-09

1976-07-13

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603405, C07C 4110, C07C 4106

Patent

active

039694160

ABSTRACT:
An unsaturated compound of formula ##EQU1## in which R.sup.1 and R.sup.3 represent alkyl groups of 1 to 4 carbon atoms and XH is R.sup.2 which represents a primary or secondary alkyl group of 1 to 4 carbon atoms, is reacted with an alkanol of formula R.sup.4 OH, in which R.sup.4 represents a normal alkyl group of 1 to 4 carbon atoms, in the presence of, as catalyst, a strong cation exchange resin in the acid form, to produce a ketal of formula ##EQU2## which may be used in the synthesis of pesticides.

REFERENCES:
patent: 2000252 (1935-05-01), Repe et al.
patent: 2480940 (1949-09-01), Leum
patent: 3024284 (1962-03-01), Howard et al.
patent: 3121124 (1964-02-01), Verdol
patent: 3170000 (1965-02-01), Verdol

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