Distillation: processes – separatory – Including addition of water or steam – To distillation column
Patent
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).
Ellis, Jr. Paul E.
Hsu Chao-Yang
Back Stanford M.
Bascomb Wilbur
Hess J. Edward
Johnson Donald R.
Sun Refining and Marketing Company
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