Mild conditions for Pd-catalyzed conversion of aryl bromides to primary anilines using benzophenone imine
作者:Swapna Bhagwanth、George M. Adjabeng、Keith R. Hornberger
DOI:10.1016/j.tetlet.2009.01.091
日期:2009.4
Mild (30 °C) and efficient (53–91%) conversion of aryl bromides to primary anilines using a Pd-catalyzed amination strategy is described. A detailed account of the ligand optimization, base and solvent selection, and general substrate scope of this methodology is described herein.
An efficient nickel‐catalyzeddecarbonylative amination reaction of aryl and heteroaryl esters has been achieved for the first time. The new amination protocol allows the direct interconversion of esters and amides into the corresponding amines and represents a good alternative to classical rearrangements as well as cross coupling reactions.
A One-Pot Access to 6-Substituted Phenanthridines from Fluoroarenes and Nitriles via 1,2-Arynes
作者:Jan Pawlas、Mikael Begtrup
DOI:10.1021/ol026197c
日期:2002.8.1
[reaction: see text] A one-pot, t-BuLi-induced synthesis of 6-substitutedphenanthridines from fluoroarenes and nitriles via 1,2-arynes is reported. Aryl- and hetaryl nitriles, cyanamides, and trimethylacetonitrile gave phenanthridineproducts. The method was extended to provide bisphenanthridine 10 by a one-pot bis-cyclization, using 1,3-dicyanobenzene and PhF in 1:5 ratio. Reaction of 1-fluoronaphthalene
A facile access for the C-N bond formation by transition metal-free oxidative coupling of benzylic C-H bonds and amides
作者:Jie Liu、Heng Zhang、Hong Yi、Chao Liu、Aiwen Lei
DOI:10.1007/s11426-015-5381-2
日期:2015.8
as the oxidant, we communicate an efficient oxidative C-N coupling of benzylic C-H bonds with amides to afford a series of amination products in good yields. A wide range of functional groups as well as various sulfonamides and carboxamides are well tolerated. Moreover, this reaction involves both the challenging C-H functionalization and C-N bond formation.