Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2007-10-12
2008-12-02
Witherspoon, Sikarl A (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C562S507000, C568S030000, C568S031000
Reexamination Certificate
active
07459580
ABSTRACT:
A process for the preparation of Compound (I) comprising reacting Compound (II) with a base in an aprotic solvent, which is represented by the following scheme:wherein R1and R2are each independently lower alkyl.
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Kawanishi Yasuyuki
Matsuura Munenori
Uenaka Masaaki
Birch & Stewart Kolasch & Birch, LLP
Shionogi & Co. Ltd.
Witherspoon Sikarl A
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