Alkali Metal Thioselenophosphinates, M[SeSPR
<sub>2</sub>
]: One‐Pot Multicomponent Synthesis, DFT Study, and Synthetic Application
作者:Alexander V. Artem'ev、Nina K. Gusarova、Irina Yu. Bagryanskaya、Evgeniya P. Doronina、Svetlana I. Verkhoturova、Valery F. Sidorkin、Boris A. Trofimov
DOI:10.1002/ejic.201200947
日期:2013.1.15
Diverse alkali metal thioselenophosphinates, M[SeSPR2] (M = Li, Na, K, Rb, and Cs; R = alkyl, aryl, aralkyl, and hetaralkyl), have been synthesized in 78–94 % yields by means of a one-pot multicomponent reaction between secondary phosphanes, sulfur, selenium, and alkali metal hydroxides under mild conditions (room temperature, –50 °C, 0.5 h, EtOH). The molecular and electronic structure of the [SeSPPh2]–
多种碱金属硫硒代次膦酸盐 M[SeSPR2](M = Li、Na、K、Rb 和 Cs;R = 烷基、芳基、芳烷基和杂烷基),已通过单次合成以 78-94% 的产率合成。在温和条件(室温,–50 °C,0.5 小时,乙醇)下,二级磷烷、硫、硒和碱金属氢氧化物之间的锅多组分反应。[SeSPPh2]– 阴离子的分子和电子结构及其对 Li+、Na+ 和 K+ 阳离子的配位行为已在 B3LYP 理论水平上进行了研究。碱金属硫代硒代次膦酸盐与各种有机卤化物的烷基化在硒中心区域性地进行,形成硒有机基硫代硒代次膦酸盐,R2P(S)SeR'(R' = Me、Et、Bn、烯丙基、炔丙基),比例为 78-96%产量。在分子碘的作用下,碱金属硫硒次膦酸盐立即(室温,约 1 秒,1,4-二恶烷)进行选择性 Se-Se 氧化偶联,以 81-92% 的产率提供相应的二硒化物 R2P(S)SeSe(S)PR2。碱金属硫代