Method for total synthesis of ecteinascidins and intermediate compounds thereof

摘要

An intermediate compound for total synthesis of ecteinascidins comprising, a compound represented by general formula 2 having thioether group at C4 site, and the substituent R2 of N12 site is trichloroethoxycarbonyl (Troc) to which various substituents can be introduced by mild condition, further having 10 members ring structure which can be converted to a ring of other numbered members.