Green Asymmetric Synthesis: <i>β</i>
-Amino Alcohol-Catalyzed Direct Asymmetric Aldol Reactions in Aqueous Micelles
作者:Afroditi Pinaka、Georgios C. Vougioukalakis、Dimitra Dimotikali、Elina Yannakopoulou、Bezhan Chankvetadze、Kyriakos Papadopoulos
DOI:10.1002/chir.22120
日期:2013.2
of chiral β‐amino alcohols to catalyze the direct asymmetric aldol reaction was evaluated for the first time in aqueous micellar media. A family of cheap and easily accessible β‐amino alcohols, obtained in one step from naturally occurring amino acids, was shown to successfully catalyze the asymmetric aldol reaction between a series of ketones and aromatic aldehydes. These aldol reactions furnished
首次在水性胶束介质中评估了手性β-氨基醇催化直接不对称醛醇缩合反应的能力。从自然产生的氨基酸中一步获得的一系列廉价且易于获得的β-氨基醇已被证明可成功催化一系列酮与芳族醛之间的不对称羟醛反应。这些醛醇缩合反应提供了相应的β-羟基酮,分离产率高达93%,ee高达89%。(S) -2-苯基甘氨醇和Triton X-100被证明分别是最好的有机催化剂和表面活性剂。手性25:119–125,2013年。分级为4 +©2012 Wiley Periodicals,Inc.