allylic side chain is introduced onto a chiral γ-amino-β-ketoamide by a Pd-catalyzed allylic alkylation. Subsequent ozonolysis and oxidation proceed only with Cbz-protected ketoamides. The total synthesis of moiramide B is finalized by peptide coupling.
通过 Pd 催化的烯丙基烷基化将烯丙基侧链引入到手性 γ-
氨基-β-酮酰胺上。随后的
臭氧分解和氧化仅在 Cbz 保护的酮酰胺中进行。 Moiramide B的全合成通过肽偶联完成。