Indium-catalyzed reduction of secondary amides with a hydrosiloxane leading to secondary amines
摘要:
Described herein is that the selective reduction of aromatic/aliphatic secondary amides using a combination of InI3 and TMDS (1,1,3,3-tetramethyldisiloxane), which led to the production of the corresponding secondary amines. This reducing system showed a relatively high tolerance to a variety of functional groups, such as an alkyl, an alkoxy, a halogen, a cyano, an ether, a thioether, a heterocyclic ring, and a terminal alkene group. (C) 2015 Elsevier Ltd. All rights reserved.
Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>/EDAC–Pd(0) as a novel and efficient inorganic/organic magnetic composite: sustainable catalyst for the benzylic C–H bond oxidation and reductive amination under mild conditions
作者:Madhvi Bhardwaj、Harsha Sharma、Satya Paul、James H. Clark
DOI:10.1039/c5nj03413b
日期:——
Magnetically recyclable ethylene diamine functionalized inorganic/organic composite, Fe3O4@SiO2/EDAC–Pd(0) for selective C–H bond oxidation and reductive amination under sustainable reaction media.
Enhanced Hydride Donation Achieved Molybdenum Catalyzed Direct <i>N</i>-Alkylation of Anilines or Nitroarenes with Alcohols: From Computational Design to Experiment
作者:Weikang Li、Ming Huang、Jiahao Liu、Yong-Liang Huang、Xiao-Bing Lan、Zongren Ye、Cunyuan Zhao、Yan Liu、Zhuofeng Ke
DOI:10.1021/acscatal.1c02956
日期:2021.8.20
An example of homogeneous Mo-catalyzed direct N-alkylation of anilines or nitroarenes with alcohols is presented. The DFT aimed design suggested the easily accessible bis-NHC-Mo(0) complex features a strong hydride-donating ability, achieving effective N-alkylation of anilines or challenging nitroarenes with alcohols. The enhanced hydride-donating strategy should be useful in designing highly active
介绍了均相 Mo 催化的苯胺或硝基芳烃与醇的直接N-烷基化的例子。DFT 目标设计表明,易于获得的双-NHC-Mo(0) 配合物具有强大的氢化物供体能力,可实现苯胺的有效N-烷基化或用醇挑战硝基芳烃。增强的氢化物捐赠策略应该有助于设计用于借氢转化的高活性系统。
Cooperative catalysis of molybdenum with organocatalysts for distribution of products between amines and imines
作者:Di Wu、Qingqing Bu、Cheng Guo、Bin Dai、Ning Liu
DOI:10.1016/j.mcat.2021.111415
日期:2021.3
Multi-amino groups and nitrogen donors compound was discovered as an organocatalyst for N-alkylation of alcohols with amines in the presence of Mo(CO)6. The Mo(CO)6/organocatalyst binary system has shown to be a highly active catalyst for the N-alkylation reaction between alcohols and amines with excellent tolerance of variable starting materials bearing different functional groups. Of particular note
core/shell quantum dots (QDs) can be used as stable and highly active photoredoxcatalysts for efficient transferhydrogenation of imines to amines with thiophenol as a hydrogen atom donor. This reaction proceeds via a proton-coupled electron transfer (PCET) from the QDs conduction band to the protonated imine followed by hydrogen atom transfer from the thiophenol to the α-aminoalkyl radical. This precious
1,4-Butanediol as a Reducing Agent in Transfer Hydrogenation Reactions
作者:Hannah C. Maytum、Javier Francos、David J. Whatrup、Jonathan M. J. Williams
DOI:10.1002/asia.200900527
日期:2010.3.1
H2 in hydrogen‐transfer reactions to ketones, imines, and alkenes. Unlike simple alcohols, which establish equilibrium in the reduction of ketones, 1,4‐butanediol acts essentially irreversibly owing to the formation of butyrolactone, which acts as a thermodynamic sink. It is therefore not necessary to use 1,4‐butanediol in great excess in order to achieve reduction reactions. In addition, allylic alcohols