LINAGLIPTIN CRYSTAL FORM, AND PREPARATION METHOD THEREFOR

Title:

LINAGLIPTIN CRYSTAL FORM, AND PREPARATION METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2017/047970

Kind Code:

A1

Abstract:

The present invention relates to a linagliptin crystal form, and a preparation method therefor. According to the present invention, the linagliptin crystal form has excellent thermal stability and can be reproducibly prepared into a single crystal form, thereby enabling mass production with consistent quality, and thus can be useful as a pharmaceutical composition for treating diabetes.

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Inventors:

MOON JI YEON (KR)
KIM YU RIM (KR)
CHU JUN HO (KR)
LEE JAE HEON (KR)
CHANG YOUNG-KIL (KR)

Application Number:

PCT/KR2016/010001

Publication Date:

March 23, 2017

Filing Date:

September 07, 2016

Export Citation:

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Assignee:

HANMI FINE CHEMICAL CO LTD (KR)

International Classes:

A61K31/519; C07D473/04; A61K31/522; C07D401/14; C07D403/14

Domestic Patent References:

WO2014083554A1	2014-06-05
WO2015044880A1	2015-04-02
WO2012152837A1	2012-11-15
WO2013128379A2	2013-09-06

Foreign References:

US20130123282A1

2013-05-16

Attorney, Agent or Firm:

KIM, Sung Ho et al. (KR)

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