Selective functionalization of C(sp3)-H bonds : catalytic chlorination and bromination by IronIII-acacen-halide under ambient condition

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)10627–10630
Journal / PublicationChemical Communications
Volume58
Issue number76
Online published2 Sep 2022
Publication statusPublished - 28 Sep 2022

Abstract

The oxidative catalytic halogenations of the C(sp3)-H bond of alkanes promoted by FeIII(acacen)Cl (1III-Cl) and FeIII(acacen)Br (1III-Br) in the presence of trifluoroacetic acid (TFA) were investigated. Four major steps were involved: (i) formation of [FeV(acacen)(oxo)X] species (X = Cl or Br), (ii) hydrogen-atom transfer, (iii) halogen atom rebound, and (iv) regeneration of 1III-Cl or 1III-Br. TFA played a significant role in (i) forming the high-valent iron-oxo intermediate and (ii) generating the reaction selectivity.

Citation Format(s)

Selective functionalization of C(sp3)-H bonds : catalytic chlorination and bromination by IronIII-acacen-halide under ambient condition. / Shen, Chang; Dagnaw, Wasihun Menberu; Fong, Ching Wai et al.

In: Chemical Communications, Vol. 58, No. 76, 28.09.2022, p. 10627–10630.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review