Nickel-Catalyzed α-Alkylation of Arylacetonitriles with Challenging Secondary Alcohols
作者:Ratnakar Saha、Surajit Panda、Amareshwar Nanda、Bidraha Bagh
DOI:10.1021/acs.joc.2c02026
日期:——
Nickel(II) complex 1 was utilized as a sustainable catalyst for α-alkylation of arylacetonitriles with challenging secondary alcohols. Arylacetonitriles with a wide range of functional groups were tolerated, and various cyclic and acyclic secondary alcohols were utilized to yield a large number of α-alkylated products. The plausible mechanism involves the base-promoted activation of precatalyst 1 to
镍(II)络合物1被用作芳基乙腈与具有挑战性的仲醇的 α-烷基化反应的可持续催化剂。具有广泛官能团的芳基乙腈是可以耐受的,并且利用各种环状和无环仲醇可以产生大量的α-烷基化产物。合理的机制涉及碱促进预催化剂1活化为活性催化剂2 (脱氯化氢产物),后者在脱氢途径中激活仲醇的 O-H 和 C-H 键。