An efficient, stereocontrolled, formalchemoenzymaticsynthesis of macrolide antibiotic A26771B (1) using the improved macrolactonisation reagent, Boc2O-iPr2 NEt/pyrrolidinopyridine(4-PP) is reported.
据报道,使用改良的大环内酯化试剂Boc 2 O-iPr 2 NEt /吡咯烷二吡啶(4-PP),可以高效,立体控制,正式的化学酶法合成大环内酯类抗生素A26771B(1)。