Process for purifying macrocyclic ketones

Details Process for purifying macrocyclic ketones Process for purifying macrocyclic ketones

1981-06-17

1982-06-15

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568346, 203 95, C07C 4583

Patent

active

043352618

ABSTRACT:
A macrocyclic ketone having a 15- to 17-membered ring is produced from an .alpha.,.omega.-long chain dicarboxylic acid ester by the Dieckmann condensation reaction, followed by hydrolysis/decarboxylation reaction and then purification. The macrocyclic ketone is purified by subjecting the ketone to steam distillation in the presence of a non-volatile base.

REFERENCES:
patent: 3265592 (1966-08-01), Van der Weil
patent: 3276973 (1966-10-01), Burmaster et al.
patent: 3378466 (1968-04-01), Coltharp et al.
Gromoglasor et al., Chem. Abst., vol. 84, #1212502, (1976).

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