2,2-Bis(ethoxycarbonyl)vinyl (BECV) as a Versatile Amine Protecting Group for Selective Functional-Group Transformations
作者:Andivelu Ilangovan、Rajendran Ganesh Kumar
DOI:10.1002/chem.200902054
日期:——
used for the selective protection of amines at room temperature in the presence of potentially interfering functional groups such as OH, SH, COOH as well as other NH2 groups. Several functional group transformations such as esterification, O‐alkylation, O‐acylation, N‐alkylation, N‐acylation, S‐alkylation can selectively be carried out in the presence of the BECV group. The selective deprotection of
在室温下,存在潜在干扰官能团(例如OH,SH,COOH以及其他NH 2基团)的情况下,将2,2-双(乙氧羰基)乙烯基(BECV)基团用于胺的选择性保护。在BECV基团存在的情况下,可以选择性地进行一些官能团转化,例如酯化,O-烷基化,O-酰化,N-烷基化,N-酰化,S-烷基化。在室温下,使用乙二胺可在短时间内实现BECV基团的选择性脱保护,而其他一些官能团(如苯甲酸酯,脂族酯,酰胺和醚)则保持完整。BECV基团显示出对常见保护基(如Fmoc,Cbz和Boc)的正交稳定性。