C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
260/230.52
C07H 15/22 (2006.01) C07H 15/224 (2006.01)
Patent
CA 1175817
TITLE OF INVENTION Di-N6',O3-demethylistamycin A and preparation thereof ABSTRACT OF THE DISCLOSURE A new istamycin A derivative called di-N6',O3- demethylistamycin A exhibits a high antibacterial activity against various bacteria, particularly Pseudomonas aeruginosa This compound can be prepared by selective acylation of the methylamino group at the 4-position of 1,2',6'-tri-N- protected N4-deglycyl-di-N6',O3-demethylistamycin A with glycine or an N-protected derivative thereof, followed by N-deprotection.
374047
Ikeda Daishiro
Kondo Shinichi
Umezawa Hamao
Macrae & Co.
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
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