Catalytic Cleavage of the 9-Fluorenylmethoxycarbonyl (Fmoc) Protecting Group under Neat Conditions
作者:Serena Traboni、Fabiana Esposito、Marcello Ziaco、Noemi De Cesare、Emiliano Bedini、Alfonso Iadonisi
DOI:10.1021/acs.orglett.4c00918
日期:2024.4.19
This work reports the first solvent-free catalytic approach for the cleavage of the fluorenylmethoxycarbonyl (Fmoc) protecting group from amine and alcohol functionalities. Various saccharide, peptide, and glyco-amino acid substrates were efficiently deprotected by simple treatment with 20 mol % neat 4-dimethylaminopyridine (DMAP) (one of the effective base catalysts found), without any solvent or
这项工作报告了第一个无溶剂催化方法,用于从胺和醇官能团中裂解芴基甲氧基羰基 (Fmoc) 保护基团。通过用 20 mol% 纯 4-二甲基氨基吡啶 (DMAP)(已发现的有效碱催化剂之一)进行简单处理,即可有效脱除各种糖、肽和糖基氨基酸底物,无需任何溶剂或化学计量添加剂。最终通过一锅法、碱催化、无溶剂多步序列将 Fmoc 裂解与酯化、酰胺化和/或糖基化步骤相结合,组装出小型模型结构。