Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-01-30
2007-01-30
Chang, Celia (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S512000
Reexamination Certificate
active
10667483
ABSTRACT:
An optically active epoxyenone derivative of the following formula (1):wherein R1is a methyl group, an ethyl group or a C3-10branched, linear or cyclic alkyl group, and R2is a phenyl group, a substituted phenyl group or a tert-butyl group.
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Kagawa Takumi
Kambara Takeshi
Sakka Hideo
Yanase Manabu
Balls R. James
Chang Celia
Nixon & Vanderhye
Tosoh Corporation
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