2,3-Isopropylidene ribonic acid, 1,4-lactones

Details 2,3-Isopropylidene ribonic acid, 1,4-lactones 2,3-Isopropylidene ribonic acid, 1,4-lactones

1982-03-01

1985-02-26

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548444, 549 43, 549461, 549318, 549314, 549285, C07D30777

Patent

active

045019088

ABSTRACT:
Racemic carboxylic acids are resolved into their enantiomers using optically active enantiomers of four lactones as resolving agents. The four lactones are 2,3-isopropylidene-ribonic acid-1,4-lactone, 1,2-isopropylideneglucofuranurono-3,6-lactone, 2-hydroxy-3,3-dimethyl-1,4-butyrolactone and 3,4-isopropylidene-arabino-1,5-lactone. Novel diastereoisomeric esters of the acids with the lactones are disclosed.

REFERENCES:
patent: 4168279 (1979-09-01), Scholz
patent: 4236026 (1980-11-01), Naumann
Tanabe et al., Chem. Abs., vol. 70, 3199C.
Finar Organic Chemistry, vol. II-1976, pp. 74-79.

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