Method for racemization of optically active azetidine-2-carboxyl

Details Method for racemization of optically active azetidine-2-carboxyl Method for racemization of optically active azetidine-2-carboxyl

1999-05-14

2000-12-26

Tsang, Cecilia

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20504

Patent

active

061662240

ABSTRACT:
A method for racemization of an optically active N-substituted azetidine-2-carboxylic acid ester of the formula (1): ##STR1## wherein * represents an asymmetric carbon atom, R.sup.1 represents an aryl,

REFERENCES:
patent: 5183939 (1993-02-01), Jansen et al.
patent: 5880291 (1999-03-01), Ushio et al.
patent: 6017956 (2000-01-01), Iwasawa et al.
XP 002112278 abstract (Derwent Publication) "Racemization of optically active amino acids", which is an abstract of JP-A-39-26381, published on Nov. 9, 1964.
Starmans et al., Enzymatic resolution of methyl N-alkyl-azetidine-2-carboxylates by Candida antarctia lipase-mediated ammoniolysis, p 429-435, Apr. 17, 1985.

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