Method of preparing (3R, 3aS,...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C549S464000

Reexamination Certificate

active

06919465

ABSTRACT:
A method of synthesizing (3R,3aS,6aR)-3-hydroxyhexahydrofuro[2,3-b]furan (I), and related compounds, in high yield and high enantiomeric selectivity is disclosed.Also disclosed is a method of manufacturing (5S)-5-(benzyloxymethyl)-5H-furan-2-one.

REFERENCES:
A.K. Ghosh et al.,Tetrahedron Letters, vol. 36, No. 4, pp. 505-508 (1995).
A.K. Ghosh et al.,J. Med. Chem., 39, pp. 3278-3290 (1996).

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