Conjugate addition of alkylboron compounds (alkyl-9-BBN) to aryl α,β-unsaturated ketones proceeded in the presence of a catalytic amount (10 mol %) of [(IPr)CuCl] and t-BuOK. The alkylboranes are available through alkene hydroboration, and thus the overall process represents a reductive conjugate addition of alkenes to enone derivatives. A variety of functional groups are tolerated in both the alkenes and the α,β-unsaturated ketones.
烷基
硼化合物(烷基-9-BBN)对芳基α,β-不饱和酮的共轭加成在存在催化量(10摩尔%)的[(IPr)CuCl]和t-BuOK的条件下进行。烷基
硼烃可以通过烯烃的加氢
硼化获得,因此整体过程代表了烯烃对烯酮衍
生物的还原共轭加成。烯烃和α,β-不饱和酮中的多种功能团均可被耐受。