Tandem Catalytic Allylic Amination and [2,3]-Stevens Rearrangement of Tertiary Amines
作者:Arash Soheili、Uttam K. Tambar
DOI:10.1021/ja204717b
日期:2011.8.24
have developed a catalytic allylic amination involving tertiary aminoesters and allylcarbonates, which is the first example of the use of tertiary amines as intermolecular nucleophiles in metal-catalyzed allylic substitution chemistry. This process is employed in a tandem ammonium ylide generation/[2,3]-rearrangement reaction, which formally represents a palladium-catalyzed Stevens rearrangement. Low
Chiral Tetraaryl‐ and Tetraalkynylborates as Chiral Solvating Agents for Tetraalkylammonium Salts
作者:Eiji Tayama、Takeshi Sugawara
DOI:10.1002/ejoc.201801448
日期:2019.1.31
Tetracarbon‐substituted chiral borate sodium salts (NaBR*4) act as chiral solvating agents for various tetraalkylammoniumsalts (R4NX). The ee values of the R4NX species could be determined by 1H NMR analysis of ion‐exchanged diastereomeric tetraalkylammonium borate salts.
四碳取代的手性硼酸钠盐(NaBR * 4)用作各种四烷基铵盐(R 4 NX)的手性溶剂化剂。R 4 NX种类的ee值可通过离子交换的非对映体四烷基硼酸铵盐的1 H NMR分析确定。