Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-09-18
2007-09-18
Morris, Patricia L. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S307000
Reexamination Certificate
active
11285922
ABSTRACT:
The invention provides a new and improved method for the preparation of 5-cyano-phtalid, which is a key intermediate in the preparation of the antidepressant compound citalopram.
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Petersen Hans
Rock Michael Harold
Darby & Darby
H. Lundbeck A/S
Morris Patricia L.
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