stereospecificity. A catalytic cycle involving the formation of tungstenooxaziridine complex 1 as the active catalyst and hydrolysis of tungstenooxazolidine intermediate A as the rate-determining-step has been proposed. Initial kinetic and competition experiments provide evidence for the proposed mechanism.
在此,我们报道了使用磺酰胺作为N的定量来源的WO 2 Dipic(H 2 O)促进的烯烃氧胺化。该反应适用于活化和未活化的烯烃,具有高产率、非对映选择性和立体特异性。提出了一种催化循环,涉及作为活性催化剂的
钨恶
氮丙啶配合物1的形成和作为限速步骤的
钨恶唑烷中间体A的
水解。初始动力学和竞争实验为所提出的机制提供了证据。