Process for preparing optically active oxazaphosphorins

Details Process for preparing optically active oxazaphosphorins Process for preparing optically active oxazaphosphorins

1979-05-29

1980-12-16

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260936, C07F 924

Patent

active

042397090

ABSTRACT:
Novel method optically active oxazaphosphorin derivatives represented by the general formula (I), ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are respectively different from each other and are hydrogen atom(s), lower alkyl group(s), aralkyl group(s), or aryl group(s); and X is a halogen atom. The novel oxazaphosphorin derivative is prepared by reacting an optically active amino alcohol derivative represented by the general formula (II), ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 are the same as defined above, with a phosphorus compound represented by the general formula (III),

REFERENCES:
patent: 3732340 (1973-05-01), Arnold et al.
Iwamoto, et al., "J. Org. Chem.", vol. 26, (1961), pp. 4743-4745.

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