Title:
4-デメトキシダウノマイシノンの製造
Document Type and Number:
Japanese Patent JP4688315
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for efficiently producing 4-demethoxydaunomycin from 4-demethyldaunomycin. SOLUTION: This method for 4-demethoxydaunomycin production comprises introducing a trialkylsilyl group to a hydroxy group at the 7-position of 4- demethyldaunomycin, then introducing a trifluoromethanesulfonyl group to a hydroxy group at the 4-position and eliminating these introduced groups by a palladium catalytic reduction at one stage.
Inventors:
Toshio Tsuchida
Katsura Kaneko
Yoshida Masafumi
Kunio Isshiki
Katsura Kaneko
Yoshida Masafumi
Kunio Isshiki
Application Number:
JP2001053764A
Publication Date:
May 25, 2011
Filing Date:
February 28, 2001
Export Citation:
Assignee:
Mercian Corporation
International Classes:
C07B53/00; C07C46/00; C07B61/00; C07C50/38; C07F7/18
Domestic Patent References:
| JP1308243A | ||||
| JP4503803A | ||||
| JP60094986A | ||||
| JP60094990A | ||||
| JP57145844A | ||||
| JP2784202B2 |
Foreign References:
| US4188377 | ||||
| US4965352 |
Other References:
Journal of American Chemical Society,Vol.98, No.7,P.1967-1969
Tetrahedron Letters .,Vol.32, No.43,P.6179-6182
Tetrahedron Letters .,Vol.32, No.43,P.6179-6182
Attorney, Agent or Firm:
Patent business corporation Odashima patent office
Yuki Fujii
Yuki Fujii