Title:
PROCESS FOR PRODUCING NUCLEOSIDE
Document Type and Number:
WIPO Patent Application WO/2010/113937
Kind Code:
A1
Abstract:
A process for producing an NC-type purine nucleoside readily has been demanded.
Thus, disclosed is a process for producing a purine nucleoside represented by formula (I') or a salt thereof, which comprises reacting a pyrimidine nucleoside represented by formula (I) or a salt thereof with a purine nucleic acid base represented by formula: B'H in the presence of a Lewis acid.
Inventors:
UMEMOTO TADASHI (JP)
HAYASE YOJI (JP)
MURATA SHUMPEI (JP)
MIYATA KENICHI (JP)
HAYASE YOJI (JP)
MURATA SHUMPEI (JP)
MIYATA KENICHI (JP)
Application Number:
PCT/JP2010/055670
Publication Date:
October 07, 2010
Filing Date:
March 30, 2010
Export Citation:
Assignee:
TAKEDA PHARMACEUTICAL (JP)
UMEMOTO TADASHI (JP)
HAYASE YOJI (JP)
MURATA SHUMPEI (JP)
MIYATA KENICHI (JP)
UMEMOTO TADASHI (JP)
HAYASE YOJI (JP)
MURATA SHUMPEI (JP)
MIYATA KENICHI (JP)
International Classes:
C07H19/16; C07F7/18; C07H23/00; C07B61/00
Domestic Patent References:
| WO2005021570A1 | 2005-03-10 | |||
| WO2010021344A1 | 2010-02-25 | |||
| WO2005021570A1 | 2005-03-10 |
Other References:
BEIGELMAN, L. ET AL.: "Improved synthetic approaches toward 2'-O-methyl-adenosine and guanosine and their N-acyl derivatives", TETRAHEDRON, vol. 56, 2000, pages 1047 - 1056
IMAZAWA, M. ET AL.: "Facile synthesis of 2'-amino-2'-deoxy ribofuranosyl purines", J. ORG. CHEM., vol. 44, no. 12, 1979, pages 2039 - 2041
MITSUOKA Y. ET AL., NUCLEIC ACIDS SYMPOSIUM SERIES, pages 13 - 14
SYNTHESIS, no. 17, 2005, pages 2865 - 2870
NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS, vol. 25, no. 8, 2006, pages 843 - 847
J. ORG. CHEM., vol. 44, no. 12, 1979, pages 2039
TETRAHEDRON, vol. 56, 2000, pages 1047 - 1056
SYNTHESIS, vol. 17, 2005, pages 2865 - 2870
See also references of EP 2415777A4
IMAZAWA, M. ET AL.: "Facile synthesis of 2'-amino-2'-deoxy ribofuranosyl purines", J. ORG. CHEM., vol. 44, no. 12, 1979, pages 2039 - 2041
MITSUOKA Y. ET AL., NUCLEIC ACIDS SYMPOSIUM SERIES, pages 13 - 14
SYNTHESIS, no. 17, 2005, pages 2865 - 2870
NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS, vol. 25, no. 8, 2006, pages 843 - 847
J. ORG. CHEM., vol. 44, no. 12, 1979, pages 2039
TETRAHEDRON, vol. 56, 2000, pages 1047 - 1056
SYNTHESIS, vol. 17, 2005, pages 2865 - 2870
See also references of EP 2415777A4
Attorney, Agent or Firm:
TAKASHIMA, HAJIME (JP)
Takashima 1 (JP)
Takashima 1 (JP)
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