C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 15/236 (2006.01) C07C 233/47 (2006.01) C07D 277/74 (2006.01) C07H 15/26 (2006.01)
Patent
CA 2062788
An improved process for converting gentamicin B to isepamicin comprising forming 3,6'-di-N-formylgentamicin B, acylat- ing the l-amino group with an N-protected (S)-isoserine compound and removing all the blocking groups under conditions which result in high yields of isepamicin. A novel formylating agent, 2- formylmercaptobenzothiazole, and intermediate compounds are also disclosed.
Chiu John S.
Colon Cesar
Green Michael D.
Tann Chou-Hong
Thiruvengadam Tiruvettipuram K.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Schering Corporation
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