IMPROVED PREPARATION METHOD FOR MITIGLINIDE CALCIUM

Title:

IMPROVED PREPARATION METHOD FOR MITIGLINIDE CALCIUM

Document Type and Number:

WIPO Patent Application WO/2013/062294

Kind Code:

A2

Abstract:

The present invention relates to an improved preparation method for mitiglinide calcium, and more specifically, to a method for effectively preparing mitiglinide calcium useful as a diabetes drug by carrying out a simple manufacturing process comprising the steps of: preparing 2-benzyl-1-imidazole-4-(octahydro-isoindol-2-yl)-butan-1,4-dione as a novel intermediate using 2-benzylsuccinic acid as a starting material; and converting the same into a calcium salt in the presence of a base.

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Inventors:

NA YOUNG JUN (KR)
HAN JU AE (KR)
BAN JI YOUNG (KR)
CHO DONG OCK (KR)

Application Number:

PCT/KR2012/008737

Publication Date:

May 02, 2013

Filing Date:

October 24, 2012

Export Citation:

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Assignee:

MEDICHEM KOREA CO LTD (KR)

International Classes:

C07D403/12; A61K31/403; A61P3/10; C07F3/04

Foreign References:

JPH06340623A	1994-12-13
US6133454A	2000-10-17
EP0967204A1	1999-12-29

Attorney, Agent or Firm:

HALLA Patent & Law Firm (KR)
한라특허법인 (KR)

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