Arylation of Amines in Alkane Solvents by using Well-Defined Palladium-N-Heterocyclic Carbene Complexes
作者:Enrico Marelli、Anthony Chartoire、Gaetan Le Duc、Steven P. Nolan
DOI:10.1002/cctc.201500841
日期:2015.12
The use of the ITent‐based series of Pd‐N‐heterocyclic carbenes precatalysts (Tent= Tentacular) enables the Buchwald–Hartwig aminearylation reaction in apolar alkanesolvents. The use of such solvents is rare because of their poor solvation properties. Nonetheless, they could be of interest for industrial applications, as they can be disposed of in an energetically favorable manner and may potentially
[EN] SYNTHESES OF N-HETEROCYCLIC CARBENES AND INTERMEDIATES THEREFOR<br/>[FR] SYNTHÈSES DE CARBÈNES N-HÉTÉROCYCLIQUES ET INTERMÉDIAIRES À CET EFFET
申请人:UNIV ST ANDREWS
公开号:WO2014108671A1
公开(公告)日:2014-07-17
A method of preparing a 2,6 disubstituted anilines includes, reacting a 2-amino isophtha!ic acid diester with sufficient Grignard reagent R2CH2MgX to form the corresponding diol product, dehydrating the diol product to the corresponding dialkene; and hydrogenating the diol product to form the corresponding aniline. The 2,6 disubstituted anilines can be used to produce N-Heterocyciic Carbenes (NHCs). The NHCs can find application in various fields such as organic synthesis, catalysis and macromolecular chemistry. Palladium catalysts containing the NHCs are also described.