(19)
(11) EP 1 405 858 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(48) Corrigendum issued on:
10.11.2004 Bulletin 2004/46

(43) Date of publication:
07.04.2004 Bulletin 2004/15

(21) Application number: 02743643.5

(22) Date of filing: 19.06.2002
(51) International Patent Classification (IPC)7: C07H 15/12, C07H 5/06, C07H 7/027, C08B 37/00, C12P 13/04, C12P 19/04
(86) International application number:
PCT/JP2002/006091
(87) International publication number:
WO 2003/008431 (30.01.2003 Gazette 2003/05)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 19.06.2001 JP 2001185685

(71) Applicants:
  • Otsuka Chemical Co., Ltd.
    Osaka-shi, Osaka 540-0021 (JP)
  • Kajihara, Yasuhiro
    Yokohama-shi, Kanagawa 236-0027 (JP)

(72) Inventors:
  • KAJIHARA, Yasuhiro
    Yokohama-shi, Kanagawa 236-0027 (JP)
  • SASAKI, Ken
    Yokkaichi-shi, Mie 510-0825 (JP)

(74) Representative: HOFFMANN - EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) PROCESS FOR PRODUCING SUGAR CHAIN ASPARAGINE DERIVATIVE


(57) The present invention provides a process for preparing a sugar chain asparagine derivative. According to the process, various isolated sugar chain asparagine derivatives useful in the field of the development of pharmaceuticals and the like can be conveniently obtained in a large amount as compared to that of the prior art. The present invention also provides a process for preparing a sugar chain asparagine and a process for preparing a sugar chain via a step for preparing a sugar chain asparagine derivative. The present invention further provides a novel sugar chain asparagine derivative, a sugar chain asparagine and a sugar chain.