Copper-catalyzed oxidative benzylic C(sp<sup>3</sup>)–H amination: direct synthesis of benzylic carbamates
作者:Shuai Liu、Raphaël Achou、Coline Boulanger、Govind Pawar、Nivesh Kumar、Jonathan Lusseau、Frédéric Robert、Yannick Landais
DOI:10.1039/d0cc05226d
日期:——
A new efficient strategy to access benzylic carbamates through C–H activation is reported. The use of a catalytic amount of a Cu(I)/diimine ligand in combination with NFSI ((PhSO2)2NF) or F-TEDA-PF6 as oxidants and H2NCO2R as an amine source directly leads to the C–N bond formation at the benzylic position. The mild reaction conditions and the broad substrate scope make this transformation a useful
据报道,一种通过C–H活化获得氨基甲酸苄酯的新有效策略。催化量的Cu(I)/二亚胺配体与NFSI((PhSO 2)2 NF)或F-TEDA-PF 6作为氧化剂和H 2 NCO 2 R作为胺源的组合使用直接导致在苄基位置形成C–N键。温和的反应条件和广泛的底物范围使该转化成为将泛在的氨基甲酸酯片段后期掺入烃中的有用方法。