Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-12-12
2006-12-12
Morris, Patricia L. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07148358
ABSTRACT:
The present invention relates to a process for the preparation of [S(−) amlodipine-L(+)-hemi taratarte] from RS amlodipine base using L(+) tartaric acid in the presence of dimethyl sulfoxide.
REFERENCES:
patent: 6046338 (2000-04-01), Spargo
patent: 6822099 (2004-11-01), Senanayake et al.
Gurjar M. K.
Joshi Ramesh Anna
Joshi Rohini Ramesh
Buchanan & Ingersoll & Rooney PC
Council of Scientific & Industrial Research
Morris Patricia L.
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