Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2007-07-03
2007-07-03
Kumar, Shailendra (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C562S471000, C562S475000
Reexamination Certificate
active
11018038
ABSTRACT:
The invention relates to a process for the preparation of a compound of the general formula (I) in whicha) a compound (II) is reacted in the presence of a base B1 with a compound (III) andb) the compound (IV) formed as intermediate in step a) is reacted in the presence of a base B2 with a compound (V) to give the compound of the general formula (I)
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Fiedler Wolfgang
Hachtel Jochen
Neises Bernd
Cho Jennifer
Kumar Shailendra
Kurys Barbara E.
Sanofi-Aventis Deutschland GmbH
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