AIM:To develop a method for preparation of letrozole . METHOD: Aniline is used as starting material to prepare letrozole by reactions of condensation, diazotization,bromination and condensation. RESULT: The structure ...AIM:To develop a method for preparation of letrozole . METHOD: Aniline is used as starting material to prepare letrozole by reactions of condensation, diazotization,bromination and condensation. RESULT: The structure of synthesized letrozole is confirmed by IR, MS.展开更多
文摘AIM:To develop a method for preparation of letrozole . METHOD: Aniline is used as starting material to prepare letrozole by reactions of condensation, diazotization,bromination and condensation. RESULT: The structure of synthesized letrozole is confirmed by IR, MS.