[EN] PROCESS FOR THE PURIFICATION OF INDOLE CARBAZOLE ALKALOIDS<br/>[FR] PROCÉDÉ DE PURIFICATION D'ALCALOÏDES D'INDOLE CARBAZOLE
申请人:INDENA SPA
公开号:WO2021176328A1
公开(公告)日:2021-09-10
Disclosed is a process for the purification of staurosporine (1), which comprises salification of staurosporine (1) (Formula (1)) by treatment with a mineral acid to give a precipitated salt, isolation of the staurosporine (1) precipitated salt, treatment of the staurosporine (1) isolated salt with an organic base, and isolation of staurosporine (1). Also disclosed are novel polymorphic forms of the mono- and bis-hydrochloride salts of staurosporine (1).