An ambiphilic bis(oxazolinyl)borane proligand and zinc dialkyls react viaalkyl group transfer or β-hydrogen abstraction. The latter process is favored by formation of a bis(oxazolinyl)borane-zinc adduct that positions a β-hydrogen in the proximity of the Lewis acid center.
                                    双亲二(
恶唑啉)
硼配体与双烷基
锌反应通过烷基转移或β-氢抽取进行。后者过程因形成使β-氢靠近
路易斯酸中心的二(
恶唑啉)
硼-
锌加合物而更容易发生。