Process and intermediates for chiral epoxides

Details Process and intermediates for chiral epoxides Process and intermediates for chiral epoxides

1990-05-03

1992-03-17

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549549, 549561, 558 52, 560149, C07D30102

Patent

active

050970496

ABSTRACT:
Chiral epoxybutyrates are prepared in high yield from novel dihydro-3R-substituted sulfonyloxy-4R-hydroxy-2-(3H)furanones via based catalyzed alcoholysis. The product chiral epoxy butyrates are useful intermediates for the synthesis of 1-carba-1-dethia cephem antibiotics.

REFERENCES:
patent: 3994878 (1976-11-01), Partridge, Jr. et al.
J. Am. Chem. Soc., Corey et al, vol. 102, No. 27, 1980, pp. 7984-7985.
Tetrahedron Letters, Pikul et al, vol. 28, No. 23, 1987, pp. 2627-2628.

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