A regiodivergent nickel‐catalyzed hydrocyanation of a broad range of internal alkenes involving a chain‐walking process is reported. When appropriate diastereomeric biaryl diphosphite ligands are applied, the same starting materials can be converted to either linear or branched nitriles with good yields and high regioselectivities. DFT calculations suggested that the catalyst architecture determines the regioselectivity by modulating electronic and steric interactions. In addition, moderate enantioselectivities were observed when branched nitriles were produced.

中文翻译：

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内烯烃的镍催化迁移氢氰化：非预期的非对映体-配体控制的区域发散

据报道，涉及区域内链烯的区域发散性镍催化氢氰化涉及链行走过程。当使用合适的非对映体联芳基二亚磷酸酯配体时，相同的原料可以良好的收率和高的区域选择性转化为线性或支化的腈。DFT计算表明，催化剂结构通过调节电子和空间相互作用来确定区域选择性。另外，当产生支链腈时，观察到中等的对映选择性。