Enantiomeric enrichment of cyanohydrins

Details Enantiomeric enrichment of cyanohydrins Enantiomeric enrichment of cyanohydrins

1992-03-09

1993-08-31

Brust, Joseph Paul

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

435128, 546330, 549491, 554113, 558354, 558410, 558423, 558430, 558431, 558432, 558433, 558434, 558451, C07C25332, C07C25334

Patent

active

052410870

ABSTRACT:
A method of enantiomerically enriching chiral cyanohydrins is disclosed that involves selective cleavage of the unwanted enantiomer into its cleavage products HCN and the corresponding aldehyde or ketone by use of an enantioselective dehydrocyanation catalyst, coupled with simultaneous removal of at least one of the dehydrocyanation products.

REFERENCES:
patent: 4560515 (1985-12-01), Stoutamire et al.
patent: 4656303 (1987-04-01), Kurono et al.
patent: 4900667 (1990-02-01), Arena
patent: 4966726 (1990-10-01), Scherowsky et al.
Hackh's Chemical Dictionary-4th Ed., Grant-Editor (1969), p. 410.

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