PROCESSES FOR PREPARING VENLAFAXINE AND VENLAFAXINE HYDROCHLORIDE OF FORM I

Title:

PROCESSES FOR PREPARING VENLAFAXINE AND VENLAFAXINE HYDROCHLORIDE OF FORM I

Document Type and Number:

WIPO Patent Application WO2005058796

Kind Code:

A3

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.

Inventors:

ZUPANCIC SILVO (SI)

Application Number:

PCT/EP2004/014102

Publication Date:

October 06, 2005

Filing Date:

December 10, 2004

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Assignee:

KRKA TOVARNA ZDRAVIL D D NOVO (SI)
ZUPANCIC SILVO (SI)

International Classes:

C07C213/08; C07C217/74; (IPC1-7): C07C213/08; C07C217/74

Domestic Patent References:

WO2002045658A2

2002-06-13

Other References:

YARDLEY J P ET AL: "2-PHENYL-2-(1-HYDROXYCYCLOALKYL)ETHYLAMINE DERIVATIVES: SYNTHESIS AND ANTIDEPRESSANT ACTIVITY", JOURNAL OF MEDICINAL CHEMISTRY, AMERICAN CHEMICAL SOCIETY. WASHINGTON, US, vol. 33, 1990, pages 2899 - 2905, XP000891765, ISSN: 0022-2623

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