N-Hydroxyphthalimide-catalyzed chemoselective benzylic C(sp3)–H amination of unprotected arylalkanols using bis(2,2,2-trichloroethyl)azodicarboxylate has been developed. The use of 1,1,1,3,3,3-hexafluoropropan-2-ol as a solvent plays a critical role in chemoselectivity. The conversion of an aminated product to the corresponding free amino alcohol was also demonstrated.
[EN] CATALYST AND PROCESS FOR SYNTHESISING THE SAME<br/>[FR] CATALYSEUR ET SON PROCÉDÉ DE SYNTHÈSE
申请人:UNIV WARWICK
公开号:WO2014068331A1
公开(公告)日:2014-05-08
The invention relates to a method for synthesising tethered ruthenium catalysts and novel tethered ruthenium catalysts obtainable by this methods. The method involves carrying out an "arene swapping" reaction avoiding the requirement to use complicated techniques making use of unreliable Birch reductions and unstable cyclodienyl intermediates.
Malonic Ester Amide Synthesis: An Efficient Methodology for Synthesis of Amides
作者:Pankaj S. Mahajan、Jyoti P. Mahajan、Santosh B. Mhaske
DOI:10.1080/00397911.2012.717671
日期:2013.9.17
“malonic ester amide synthesis” has been demonstrated, which uses α-substituted/unsubstituted diethyl malonates for the decarboxylative acylation of various aromatic/heteroaromatic primary/secondary amines to form one-carbon homologated amides, thus providing easy access to amides with odd/even chain lengths and an array of substituents on the alkyl/aryl part while avoiding use of acyl chlorides or peptide
[EN] ONE POT ACYLATION OF AROMATIC AMINES<br/>[FR] ACYLATION MONOTOPE D'AMINES AROMATIQUES
申请人:COUNCIL SCIENT IND RES
公开号:WO2013008256A1
公开(公告)日:2013-01-17
The present invention provides a cost effective, environmental friendly and efficient, one pot decarboxylative acylation of aromatic/heteroaromatic primary /secondary amine using diethyl malonate (DEM) to obtain corresponding homologated amides in good yield with a high degree of purity.
The invention relates to a method for synthesising tethered ruthenium catalysts and novel tethered ruthenium catalysts obtainable by this methods. The method involves carrying out an “arene swapping” reaction avoiding the requirement to use complicated techniques making use of unreliable Birch reductions and unstable cyclodienyl intermediates.