C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/525.3
C07C 109/097 (1980.01)
Patent
CA 1083176
Division II .delta.-SUBSTITUTED NEGAMYCIN DERIVATIVES AND SYNTHESES ABSTRACT Compounds having the structure Image were found to be antibacterial agents. They were synthesized by a process which comprises a) catalytically hydrogenating a compound of the formula Image wherein X is bromo or iodo, A is hydrogen and B is a monovalent amino- protective group or A together with B are a divalent amino-protective group and E is an easily removable ester-forming group and then b) removing any remaining ester-forming and amino- protective groups.
332526
Kondo Shinichi
Umezawa Hamao
Gowling Lafleur Henderson Llp
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
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