Triarylphosphanes with 2-(Et2NCH2)C6H4 groups. Copper(I) complexes and oxidation derivatives of type EP(C6H4CH2NEt2-2)nPh3-n (E = S, Se; n = 1,2)
作者:Răzvan Șuteu、Sergiu Shova、Anca Silvestru
DOI:10.1016/j.ica.2017.09.044
日期:2018.4
P(C6H4CH2NEt2-2)nPh3-n [n = 1 (1), 2 (2)] were obtained by reacting Ph2PCl or PhPCl2 with [2-(Et2NCH2)C6H4]Li in a 1:1 and a 1:2 molar ratio, respectively. Further oxidation with elemental sulfur or elemental selenium powder resulted in the triorganophosphane chalcogenides EP(C6H4CH2NEt2-2)nPh3-n [E = S, n = 1 (3), 2 (5); E = Se; n = 1 (4), 2 (6)]. The copper(I) complexes [CuClP(C6H4CH2NEt2-2)nPh3-n}] [n = 1 (7)
摘要通过使Ph2PCl或PhPCl2与[2-(Et2NCH2)C6H4] Li在1:1和a 1中反应获得三芳基膦P(C6H4CH2NEt2-2)nPh3-n [n = 1(1),2(2)]摩尔比分别为:2。用元素硫或元素硒粉进一步氧化,得到三有机膦硫属元素化物EP(C6H4CH2NEt2-2)nPh3-n [E = S,n = 1(3),2(5);E = Se; n = 1(4),2(6)]。铜(I)配合物[CuCl P(C6H4CH2NEt2-2)nPh3-n}] [n = 1(7),2(8)]是通过三芳基膦1和2与CuCl在1中的反应制备的: 1摩尔比。通过NMR光谱法在溶液中研究了新物种。单晶X射线衍射研究揭示了三有机膦硫化物3和5的单体结构,而铜(I)配合物7和8通过桥联氯原子形成二聚体。在两种铜络合物中,膦配体均表现为C,N螯合部分。对于化合物8,两个C6H4CH2NEt2-2