Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-06-23
2009-12-29
Jiang, Shaojia Anna (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07638642
ABSTRACT:
3R-carboxylate enantiomer derivative of formula (III) can be prepared easily and selectively by the method of the present invention, and a highly pure D-erythro-2,2-difluoro-2-deoxy-1-oxoribose derivative can be prepared efficiently from the compound of formula (III) as an intermediate.
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Chang Young-Kil
Kim Cheol-Kyong
Lee Gwan-Sun
Lee Jae-Chul
Lee Jaeheon
Bland Layla
Hanmi Pharm Co., Ltd
Jiang Shaojia Anna
Sughrue & Mion, PLLC
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