Method for obtaining optically active epoxide

Details Method for obtaining optically active epoxide Method for obtaining optically active epoxide

2007-06-12

2007-06-12

Owens, Amelia A. (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S512000, C203S036000, C203S037000, C203S091000

Reexamination Certificate

active

10475122

ABSTRACT:
The present invention provides a method capable of suppressing a decrease in optical purity due to the exposure to heat during distillation of an optically active epoxide to permit an optically active epoxide of high quality to be simply obtained on an industrial scale. In the method, an optically active epoxide is distilled in the presence of a base to suppress a decrease in optical purity.

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Hamaguchi, S. et al ‘Preparation and separation of halomethyloxiranes from reaction mixture by distillation’ CA 108:221587 (1988).
Hamaguchi, S., et al., “Preparation and separation of halomethyloxiranes from reaction mixture by distillation,” CA 108:221587 (1988).

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