There is disclosed a novel formylating agent, 2-formylmercaptobenzothiazole.
本发明揭示了一种新型的甲酰化试剂,即2-甲酰基巯基苯并噻唑。
Process for preparing isepamicin
申请人:Schering Corporation
公开号:US05442047A1
公开(公告)日:1995-08-15
An improved process for converting gentamicin B to isepamicin comprising forming 3,6'-di-N-formylgentamicin B, acylating the 1-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.