(19)
(11) EP 2 049 558 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.08.2012 Bulletin 2012/31

(45) Mention of the grant of the patent:
21.03.2012 Bulletin 2012/12

(21) Application number: 07793303.4

(22) Date of filing: 30.07.2007
(51) International Patent Classification (IPC): 
C07H 19/073(2006.01)
(86) International application number:
PCT/KR2007/003648
(87) International publication number:
WO 2008/016244 (07.02.2008 Gazette 2008/06)

(54)

NAPHTHALENE 2-CARBOXYLATE DERIVATIVE USEFUL FOR SYNTHESIZING GEMCITABINE AND A METHOD FOR PREPARING THE SAME

FÜR DIE SYNTHESE VON GEMCITABIN GEEIGNETES NAPHTHALIN-2-CARBOXYLATDERIVAT UND VERFAHREN ZU DESSEN HERSTELLUNG

DÉRIVÉ DE NAPHTHALÈNE 2-CARBOXYLATE UTILE POUR LA SYNTHÈSE DE GEMCITABINE ET PROCÉDÉ DE PRÉPARATION CORRESPONDANT

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 01.08.2006 KR 20060072786

(43) Date of publication of application:
22.04.2009 Bulletin 2009/17

(73) Proprietors:
  • Yuil Pharm Tech Co., Ltd.
    Chungcheongbuk-do 365-824 (KR)
  • Chiro Genix Co., Ltd.
    Kyunggi-do 445-743 (KR)

(72) Inventors:
  • KIM, Kyu Wann
    Yongin-si Gyeonggi-do 448-980 (KR)
  • KIM, Kyoung Soo
    Suwon-si Gyeonggi-do 443-737 (KR)
  • PARK, Young Won
    Dongjak-gu Seoul 156-841 (KR)
  • PARK, Young Jun
    Suwon-si Gyeonggi-do 443-736 (KR)
  • LEE, Won Kyoung
    Cheongju-si Chungcheongbuk-do 360-182 (KR)

(74) Representative: Schrell, Andreas et al
Gleiss Grosse Schrell & Partner Patentanwälte Rechtsanwälte Leitzstrasse 45
70469 Stuttgart
70469 Stuttgart (DE)


(56) References cited: : 
WO-A2-2007/027564
US-A- 6 013 790
 US-A- 6 001 994
US-A1- 2004 142 857
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).