LIGHT EMITTING ELEMENT AND AMINE COMPOUND FOR THE SAME
摘要:
A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode, wherein the functional layer includes an amine compound including a spiro-bonded linker of two hydrocarbon rings and two amine groups connected with the linker. The light emitting element may have improved emission efficiency and element life.
Practical Synthesis of Axially Chiral Dicarboxylates <i>via</i> Pd-Catalyzed External-CO-Free Carbonylation
作者:Hideyuki Konishi、Fumika Hoshino、Kei Manabe
DOI:10.1248/cpb.c16-00486
日期:——
We have developed a safe and practical synthetic method for preparing axially chiral diphenyl dicarboxylates using Pd-catalyzed external-CO-free carbonylation with phenyl formate as a CO surrogate. Optimized conditions consisted of axially chiral [1,1'-binaphthalene]-2,2'-diyl ditriflate and its congeners, each easily prepared from commercially available enantiomerically pure diols, Pd(OAc)2, 1,3-
The first highlyefficient Ir-catalyzed enantioselective hydrogenation of beta-acylamino nitroolefins is reported. This reaction provides straightforward access to chiral beta-amino nitroalkanes in high yields and excellent enantioselectivities (up to >99.9% ee) catalyzed by an Ir-(R,R)-f-spiroPhos complex.
Chiral spiro diphosphines (SDP) are efficient ligands for the Pd-catalyzed asymmetric allylicalkylation of 1,3-diphenyl-2-propenyl acetate with dimethyl malonate and related nucleophiles. The newly synthesized ligand DMM-SDP (1e) with 3,5-dimethyl-4-methoxy groups on the P-phenyl rings of the phosphine shows the highest enantioselectivity (up to 99.1% ee). Diethylzinc as a base is critical for obtaining
The highly efficient asymmetric hydrogenation of alpha-arylmethylene cycloalkanones catalyzed by Ir-complexes of chiral spiro aminophosphine ligands was developed, providing chiral exo-cyclic allylic alcohols at high yields with excellent enantioselectivities (up to 97% ee) and high turnover numbers (S/C up to 10,000). This new reaction provided an efficient method for the synthesis of the key intermediate
开发了由手性螺氨基膦配体的 Ir 配合物催化的 α-芳基亚甲基环烷酮的高效不对称氢化,以高产率提供手性外环烯丙醇,具有优异的对映选择性(高达 97% ee)和高转换数(S/ C 高达 10,000)。这一新反应为合成抗炎洛索洛芬活性形式的关键中间体提供了一种有效的方法。
[EN] SPIRO-1,1'-BIINDANE-7,7-BISPHOSPHINE OXIDES AS HIGHLY ACTIVE SUPPORTING LIGANDS FOR PALLADIUM-CATALYZED ASYMMETRIC HECK REACTION<br/>[FR] OXYDES DE SPIRO-1,1'-BIINDANE-7,7-BISPHOSPHINE COMME LIGANDS DE SUPPORT HAUTEMENT ACTIFS POUR UNE RÉACTION DE HECK ASYMÉTRIQUE CATALYSÉE PAR DU PALLADIUM
申请人:UNIV NANYANG TECH
公开号:WO2014196930A1
公开(公告)日:2014-12-11
The present invention relates to catalyst complexes comprising palladium (Pd) and at least one spiro-1,1 '-biindane-7,7'- bisphosphine oxide ligand as disclosed herein, and their use. The present invention is further directed to the asymmetric Pd-catalyzed covalent carbon-carbon single bond formation from aryl, heteroaryl and alkenyl triflates and halides and olefins utilising the said catalyst complexes.