Transition-metal-free decarboxylation of dimethyl malonate: an efficient construction of α-amino acid esters using TBAI/TBHP
作者:Jie Zhang、Ying Shao、Yaxiong Wang、Huihuang Li、Dongmei Xu、Xiaobing Wan
DOI:10.1039/c5ob00109a
日期:——
A new strategy has been developed for the synthesis of α-amino acid esters via a tandem hydrolysis/decarboxylation/nucleophilic substitution using TBAI/TBHP.
已开发出一种新的策略,通过使用TBAI/TBHP进行串联水解/脱羧/亲核取代合成α-氨基酸酯。
A New Strategy for the Construction of α-Amino Acid Esters via Decarboxylation
作者:Jie Zhang、Jiewen Jiang、Yuling Li、Yun Zhao、Xiaobing Wan
DOI:10.1021/ol401139m
日期:2013.7.5
A new alpha-amino acid esters formation reaction has been developed via decarboxylation. The methodology is distinguished by its practical novelty in terms of the readily accessible starting materials, environmentally benign reaction conditions and waste streams, and wide substrate scope.
Reaction of methyl diazoacetate with aldehydes, amines, thiols, alcohols and acids over transition metal-exchanged clays
Metal-exchanged clays (M = Rh and Cu) catalyze effectively the reaction of methyl diazoacetate with various aldehydes, affording the corresponding β-keto esters in high yields. They have also been effective in the decomposition of methyl diazoacetate to form metallocarbenes which, in turn, successfully insert into X–H (X = N, O, S, CO2) bonds of a variety of amines, aldehydes, thiols and acids, thereby producing the corresponding esters.