[EN] PREPARATION OF TETRACYCLIC INTERMEDIATES<br/>[FR] PREPARATION D'INTERMEDIAIRES TETRACYCLIQUES
申请人:INST OF DRUG TECHNOLOGY AUSTRA
公开号:WO2001025179A1
公开(公告)日:2001-04-12
The invention provides a process for preparing deoxytetracyclic compounds of formula (I) useful in the synthesis of anthracyclines by the rearrangement of thiono ester derivatives followed by reduction, as well as intermediates useful therefor. In said formula, R is H or optionally protected OH.