Ligand-Controlled Nickel-Catalyzed Tandem Isomerization/Regiodivergent Hydroheteroarylation of α-Alkenes with Heteroarenes
作者:Sajid Imran、Wen-Hui Jin、Rui-Peng Li、Nadia Ismaeel、Hong-Mei Sun
DOI:10.1021/acs.orglett.2c03689
日期:2022.12.9
We herein describe an accessible ligand-controlled nickel-catalyzed tandem isomerization/regiodivergent hydroheteroarylation of α-alkenes with a series of heteroarenes, wherein the NHC ligand of heteroleptic Ni(II) complexes of the type Ni(NHC)[P(OEt)3]Br2 displayed significant effects on regulation. In the presence of NaOtBu, Ni(IMes)[P(OEt)3]Br2 enables C═C bond isomerization of α-alkenes over up
我们在此描述了一种可及的配体控制的镍催化的 α-烯烃与一系列杂芳烃的串联异构化/区域分歧氢杂芳基化,其中 Ni(NHC)[P(OEt) 3型杂配 Ni(II) 配合物的 NHC 配体]Br 2显示出对调节的显着影响。在 NaO t Bu 的存在下,Ni(IMes)[P(OEt) 3 ]Br 2使 α-烯烃的 C=C 键异构化超过四个 sp 3碳原子以提供支化产物,而 Ni(IPr* OMe )[P(OEt) 3 ]Br 2极大地使α-烯烃异构化失活并有利于线性产物的形成。