PROCESS FOR THE PREPARATION OF HIGH PURITY OLANZAPINE AND CRYSTALLINE FORM II THEREOF

Title:

PROCESS FOR THE PREPARATION OF HIGH PURITY OLANZAPINE AND CRYSTALLINE FORM II THEREOF

Document Type and Number:

WIPO Patent Application WO/2014/157860

Kind Code:

A1

Abstract:

The present invention provides a process for the preparation of high-purity olanzapine with high yield and a process for the preparation of olanzapine crystalline Form II, which are industrially applicable. The preparation processes according to the present invention are useful for the preparation of high-purity olanzapine and olanzapine crystalline Form II with high yield and thus can be effectively used for mass production.

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Inventors:

PARK SANG GUK (KR)
KIM HOO SOOK (KR)
KIM YONG JIK (KR)
LIM JOONG IN (KR)
KIM SOON HOE (KR)

Application Number:

PCT/KR2014/002137

Publication Date:

October 02, 2014

Filing Date:

March 13, 2014

Export Citation:

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Assignee:

DONG A ST CO LTD (KR)

International Classes:

C07D495/04; A61K31/551; A61P25/00

Domestic Patent References:

WO2005063771A1

2005-07-14

Foreign References:

US20080319189A1	2008-12-25
KR20060004954A	2006-01-16
US20040048854A1	2004-03-11

Attorney, Agent or Firm:

AHN, So-Young (4th Fl. 344, Seocho-daero,Seocho-gu, Seoul 137-881, KR)

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