Effect of structural factors and solvent nature in bromination of anilines
摘要:
Reaction of electrophilic bromination of aniline containing various ortho, meta, and para substituents in the aromatic ring was studied. The optimal conditions for synthesis of mono-, di-, tri-, and tetrabromo derivatives of aniline and brominated analog of Aniline Black were found.
Synthesis and reactivity of dimethoxy-functionalised Tröger’s base analogues
作者:Qasim M. Malik、Sadia Ijaz、Donald C. Craig、Andrew C. Try
DOI:10.1016/j.tet.2011.05.128
日期:2011.8
Tröger’s baseanalogues were prepared bearing methoxy groups in the 1,7-, 2,8-, 3,9- or 4,10-positions. These compounds were converted to their dihydroxy analogues in excellent yields upon treatment with boron tribromide and the 4,10-dihydroxy analogue could be prepared by directly from 4-hydroxyaniline. The synthetic utility of the dihydroxy-functionalised compounds as building blocks was demonstrated
Polymer-Supported Organotin Reagents for Regioselective Halogenation of Aromatic Amines
作者:Jean-Mathieu Chrétien、Françoise Zammattio、Erwan Le Grognec、Michaël Paris、Blanche Cahingt、Gilles Montavon、Jean-Paul Quintard
DOI:10.1021/jo0480141
日期:2005.4.1
halides were used in the halogenation reaction of aromaticamines. Treatment of aromaticamines with n-butyllithium and polymer-supported organotin halides gave the corresponding polymer-bound N-triorganostannylamines, which by treatment with bromine or iodine monochloride gave the para-halogenated aromaticamines with high yields and high selectivities. The polymer-supported organotin halides reagents
Directing-Group-Free Arene C(sp<sup>2</sup>)–H Amination Using Bulky Aminium Radicals and DFT Analysis of Regioselectivity
作者:Nicole Erin Behnke、Young-Do Kwon、Michael T. Davenport、Daniel H. Ess、László Kürti
DOI:10.1021/acs.joc.3c01127
日期:2023.8.18
iron(II) catalyst. Density functional theory calculations were used to examine the regioselectivity of arene C–H amination reactions on diversely substituted arenes. The calculations suggest a simple charge-controlled regioselectivity model that enables prediction of the major C(sp2)–Hamination product.