Preparation of 1,1-dimethoxycyclohexane

Distillation: processes – separatory – Including addition of water or steam – To distillation column

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203 79, 568591, C07C 4158, B01D 336

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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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