Title:
NEW SALTS OF DESVENLAFAXINE AND A METHOD OF THEIR PREPARATION
Document Type and Number:
WIPO Patent Application WO/2010/088865
Kind Code:
A3
Abstract:
The invention deals with new salts of the desvenlafaxine base of formula (I) with oxalic acid, the new salts being the hydrogen oxalate of formula (II) in the proportion of desvenlafaxine : oxalic acid of 1 : 1 and hemioxalate of formula (III) in the proportion of desvenlafaxine : oxalic acid of 2 : 1.
Inventors:
RIDVAN LUDEK (CZ)
HRUBY PETR (CZ)
RADL STANISLAV (CZ)
BRUSOVA HANA (CZ)
KREJCIK LUKAS (CZ)
PEKAREK TOMAS (CZ)
CSOKOVA NATALIA (SK)
ZERZANOVA ANNA (CZ)
HRUBY PETR (CZ)
RADL STANISLAV (CZ)
BRUSOVA HANA (CZ)
KREJCIK LUKAS (CZ)
PEKAREK TOMAS (CZ)
CSOKOVA NATALIA (SK)
ZERZANOVA ANNA (CZ)
Application Number:
PCT/CZ2010/000010
Publication Date:
December 02, 2010
Filing Date:
February 03, 2010
Export Citation:
Assignee:
ZENTIVA KS (CZ)
RIDVAN LUDEK (CZ)
HRUBY PETR (CZ)
RADL STANISLAV (CZ)
BRUSOVA HANA (CZ)
KREJCIK LUKAS (CZ)
PEKAREK TOMAS (CZ)
CSOKOVA NATALIA (SK)
ZERZANOVA ANNA (CZ)
RIDVAN LUDEK (CZ)
HRUBY PETR (CZ)
RADL STANISLAV (CZ)
BRUSOVA HANA (CZ)
KREJCIK LUKAS (CZ)
PEKAREK TOMAS (CZ)
CSOKOVA NATALIA (SK)
ZERZANOVA ANNA (CZ)
International Classes:
C07C55/07; C07C51/41; C07C213/08; C07C215/64
Domestic Patent References:
| WO2010008735A2 | 2010-01-21 | |||
| WO2009155488A2 | 2009-12-23 | |||
| WO2009114685A2 | 2009-09-17 | |||
| WO2009053840A2 | 2009-04-30 |
Foreign References:
| EP2119695A1 | 2009-11-18 | |||
| US6673838B2 | 2004-01-06 |
Attorney, Agent or Firm:
JIROTKOVA Ivana et al. (RUZICKA & GUTTMANNP.O. Box 44, Praha 2, CZ)
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