Preparation of 1,1-dimethoxycyclohexane

Details Preparation of 1,1-dimethoxycyclohexane Preparation of 1,1-dimethoxycyclohexane

1985-12-02

1987-03-24

Bascomb, Wilbur

Distillation: processes, separatory

Including addition of water or steam

To distillation column

203 79, 568591, C07C 4158, B01D 336

Patent

active

046523448

ABSTRACT:
Dimethoxycyclohexane, prepared by reacting cyclohexanone with methanol, may be recovered from the product mixture in substantially pure form by first adding water as an azeotropic agent to said mixture to form an azeotrope with unreacted cyclohexanone, removing said azeotrope by distillation, thereby leaving substantially pure dimethoxycyclohexane.

REFERENCES:
patent: 2762760 (1956-09-01), Walker
patent: 2822402 (1958-02-01), McCoy
patent: 2845384 (1958-07-01), Williston
Taylor et al., Synthesis, 467, 1977.
Helferich et al.: Ber., 57B, 795, (1924).
McCoy et al.: J. Org. Chem., 22, p. 1175, (1957).

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