A New Mixed P,S‐Bidentate Ligand Featuring a λ
<sup>4</sup>
‐Phosphinine Anion and a Phosphanyl Sulfide Group − Synthesis, X‐ray Crystal Structures and Catalytic Properties of Its Chloro(cymene)ruthenium and Allylpalladium Complexes
作者:Maximilian Dochnahl、Marjolaine Doux、Emilie Faillard、Louis Ricard、Pascal Le Floch
DOI:10.1002/ejic.200400555
日期:2005.1
spectroscopy and ONIOM DFT calculations were carried out to rationalize their formation. Complexes 5a,b were used as catalysts in hydrogen-transfer hydrogenation (TON up to 200). Reaction of MeLi with 3 followed by complexation with [PdCl2(η3-C3H5)]2 yielded two diastereomers 7a,b, which were used as catalysts in the Suzuki−Miyaura cross-coupling reaction of aryl bromides with pinacolborane to yield the
1,3,2-二氮杂膦 (1) 依次与二苯乙炔和二苯基 (1-丙炔基) 硫化膦反应,得到 P,S-二齿膦 3。 nBuLi 与 3 反应,然后与 [RuCl2(C10H14)]2 络合得到两种非对映异构体 5a,b。进行了变温 NMR 光谱和 ONIOM DFT 计算以使其形成合理化。配合物 5a、b 用作氢转移氢化反应的催化剂(TON 高达 200)。MeLi 与 3 反应,然后与 [PdCl2(η3-C3H5)]2 络合产生两种非对映异构体 7a,b,它们用作芳基溴与频哪醇硼烷的 Suzuki-Miyaura 交叉偶联反应的催化剂,以产生相应的芳基硼酸酯(吨高达 799000)。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)