Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2004-12-10
2010-06-29
Witherspoon, Sikarl A (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C568S705000, C568S708000
Reexamination Certificate
active
07745664
ABSTRACT:
A process for preparing venlafaxine in a high yield as well as processes for producing venlafaxine hydrochloride of form I having a very high polymorphic purity are described.
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John P. Yardley, et al., 2-Phenyl-2-(1-hydroxycycloalkyl)ethylamine Derivatives: Synthesis and Antidepressant Activity, J. Med. Chem., vol. 33, p. 2899-2905 (1990).
Cohrn Pontani Lieberman & Pavane LLP
KRKA Tovarno Zdravil, d.d. Novo Mesto
Witherspoon Sikarl A
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