(19)
(11) EP 2 365 966 A1

(12)

(43) Date of publication:
21.09.2011 Bulletin 2011/38

(21) Application number: 08878772.6

(22) Date of filing: 12.12.2008
(51) International Patent Classification (IPC): 
C07D 257/04(2006.01)
C07D 257/02(2006.01)
(86) International application number:
PCT/KR2008/007364
(87) International publication number:
WO 2010/067913 (17.06.2010 Gazette 2010/24)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(71) Applicant: Pharmacostech Co., Ltd.
Gyunggi-do 445-922 (KR)

(72) Inventors:
  • KIM, Jae Won
    Seoul 135-280 (KR)
  • CHA, Young Gwan
    Anyang-si Gyeonggi-do 431-080 (KR)
  • RYU, Hyung Chul
    Hwaseong-si Gyeonggi-do 445-736 (KR)
  • KIM, Sun Joo
    Incheon 406-090 (KR)

(74) Representative: Winkler, Andreas Fritz Ernst 
Forrester & Boehmert Pettenkoferstrasse 20-22
80336 München
80336 München (DE)

   


(54) METHOD OF REMOVING THE TRIPHENYLMETHANE PROTECTION GROUP