[12] Patent
[11] Patent No.:GC0007635  
[45] Date of Publishing the Grant of the Patent: 30/Apr /2018                48/2018  
Number of the Decision to Grant the Patent:2018/126390
Date of the Decision to Grant the Patent:23/Apr/2018

[21] Application No.:GC 2011-19172

[22] Filing Date:4/9/2011

[30] Priority:

[33] State [32] Priority date [31] Priority No.

3/9/2010
10-2010-0086619

[72] Inventors:1- KIM BONG CHAN،2- KIM KYU YOUNG،3- LEE HEE BONG ،4- AN JI EUN،5- LEE KYU WOONG

[73] Owner: LG Chem, Ltd., 128, Yeoui-daero, Yeongdeungpo-gu, Seoul, South Korea

[74] Agent: Abdullah Marei AlQahtany

  

 

  

[51]IPC:
Int. Cl.: A61K 31/45; A61P 3/10 (2006.01)

[56] Cited Documents:

-DAVID G. WASHBURN; TRAM H. HONG et al., 'Discovery or orally active, pyrrolidinone-based progesterone receptor partial agonist' , Bioorganic & Medicinal chemistry Letters, 2009
-US 2008-0039517 A1 (DAVID G. WASHBURN; TRAM H. HOANG) 14 February 2008
-MONICA LOPEZ-GARCIA; IGANCIO ALFONSO et al., 'Synthesis of(R)-3,4- diaminobutanoic acid by desymmetrization of dimethyl 3-(benzylamino)glutarate through enzymatic ammonolysis' , Journal of Organic Chemistry, 2003
-US 05556982 A (ALAN R. FRITZBERG et al.) 17 September 1996
-EP 0279435 A2 (BASF AKTIENGESELLSCHAFT) 24 August 1988
-WO 2006-104356 A1 (LG LIFE SCIENCES, LTD.) 05 October 2006
 
Examiner: PH. Rifca AlSadoon

[54] PRODUCTION METHOD OF INTERMEDIATE COMPOUND FOR SYNTHESIZING MEDICAMENT
[57] Abstract: The present invention relates to a novel method for preparing a compound of formula (2) as the intermediate, which can be effectively used for preparation of a compound of formula (1) exhibiting good inhibitory activity against dipeptidyl peptidase IV enzyme.
No. of claims: 22


 

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