A Simple Synthesis and Some Synthetic Applications of Substituted Phosphide and Phosphinite Anions
作者:E. N. Tsvetkov、N. A. Bondarenko、I. G. Malakhova、M. I. Kabachnik
DOI:10.1055/s-1986-31510
日期:——
Based on data for the acidity relationship of phosphines and phosphinous acids and water in dimethyl sulfoxide and water, a simple method is reported for the generation of phosphide and phosphinite anions by the action of concentrated aqueous alkali on primary and secondary phosphines as well as phosphinous acids in dimethyl sulfoxide or other dipolar aprotic solvents. Alkylation of the anion yields secondary and tertiary phosphines, polyphosphines, functionally substituted phosphines as well as similarly substituted phosphine oxides. Phosphinous acids have been alkylated in various solvents in two-phase systems containing concentrated aqueous alkali and tetrabutylammonium iodide as phase transfer catalyst.
Fast and Chemoselective Addition of Highly Polarized Lithium Phosphides Generated in Deep Eutectic Solvents to Aldehydes and Epoxides
作者:Luciana Cicco、Alba Fombona‐Pascual、Alba Sánchez‐Condado、Gabino A. Carriedo、Filippo M. Perna、Vito Capriati、Alejandro Presa Soto、Joaquín García‐Álvarez
DOI:10.1002/cssc.202001449
日期:2020.9.18
solvents as sustainable reaction media, at roomtemperature and in the absence of protecting atmosphere, through direct deprotonation of both aliphatic and aromatic secondary phosphines (HPR2) by n‐BuLi. The subsequent addition of in‐situ generated LiPR2 to aldehydes or epoxides proceeded quickly and chemoselectively, thereby allowing the straightforward access to the corresponding α‐ or β‐hydroxy phosphine
Chelate-stabilised alcohol- and alkoxo-palladium(II) complexes derived from the ligands Ph2PCH2CR2OH (R = Me or H)
作者:Andrew W. G. Platt、Paul G. Pringle
DOI:10.1039/dt9890001193
日期:——
The ligands Ph2PCH2CRR′OH [R = R′= Me (1a), R = Me, R′= H(1b); R = R′= H (1c)] form complexes of stoicheiometry PdCl2(Ph2PCH2CRR′OH)2 which are in the neutral form trans-[PdCl2(Ph2PCH2CRR′OH)2] where R, R′= Me or H(2a)—(2c) in CDCl3 solution, and the ionic form cis-[P[graphic omitted]H)(Ph2PCH2CRR′OH)]Cl, where R = R′= Me (4a) or R = Me, R′= H (4b) in CD3OD solution. The complex [PdCl2(Ph2PCH2CH2OH)2]
Electroluminescent bis-cyclometalled iridium compounds and devices made with such compounds
申请人:Ionkin Sergey Alex
公开号:US20070259205A1
公开(公告)日:2007-11-08
One embodiment of this invention is bis-cyclometalled electroluminescent complexes of iridium(III). Another embodiment of this invention is electronic devices in which the active layer includes an bis-cyclometalled electroluminescent Ir(III) complex.
An organmetallic complex, a method of preparing this composition of matter, and an electronic device including the complex. The organometallic complex comprising: at least one transition metal, at least one first monoanionic bidentate ligand coordinated through a nitrogen on a heteroaromatic ring and a carbon, and at least one second ligand selected from a hydride and a ligand coordinated through a carbon atom which is part of an aromatic group. The electronic device of the invention includes a photoactive layer, electrode and/or an electron transport layer that contains at least one organometallic complex described above.