Dual-Ligand-Enabled Ir(III)-Catalyzed Enantioselective C–H Amidation for the Synthesis of Chiral Sulfoxides
作者:Wentan Liu、Wu Yang、Jiefeng Zhu、Yonghong Guo、Na Wang、Jie Ke、Peiyuan Yu、Chuan He
DOI:10.1021/acscatal.0c02109
日期:2020.7.2
wide range of dibenzyl sulfoxides and dioxazolones are compatible with this process, giving access to a variety of highly functionalized sulfoxide compounds with synthetically attractive amide substitution groups in good yields and enantioselectivities. Moreover, the flexible derivatization of the amidated sulfoxide was elaborated, providing various types of chiralsulfoxide scaffolds that would be
Lewis acid-assisted Ir(<scp>iii</scp>) reductive elimination enables construction of seven-membered-ring sulfoxides
作者:Wu Yang、Yingzi Li、Jiefeng Zhu、Wentan Liu、Jie Ke、Chuan He
DOI:10.1039/d0sc04180g
日期:——
bond formation appears to have fallen off significantly. The main problem lies in the reductive elimination step, as iridium has a tendency to form stable and catalytically inactive Ir(III) species. Herein, with a rationally designed Lewisacid assisted oxidatively induced strategy, the sluggish Ir(III) reductive elimination is successfully facilitated, enabling the facile C–C bond formation. The X-ray
Novel adducts of sulfides and 4-substituted 1,2,4-triazoline-3,5-diones ( TAD ) A similarity of TAD and singlet oxygen( 1O2 )
作者:Wataru Ando、Kenji Ito、Toshikazu Takata
DOI:10.1016/s0040-4039(00)87740-0
日期:——
The 4-substituted1,2,4-triazoline-3,5-diones( ) afford with sulfides( ) having acidic α-hydrogens the 1,4-disubstituted urazoles( ). Reactivity of the triazolinedione shows similarity in possible reaction modes with that of singlet oxygen.
New materials for electroluminescence and the utilization thereof
申请人:Heun Susanne
公开号:US20070080343A1
公开(公告)日:2007-04-12
The present invention relates to organic semiconductors which contain structural units L=X and in addition structural units which emit light from the triplet state. The materials according to the invention are more soluble and easier to synthesise and are therefore more suitable for use in organic light-emitting diodes than comparative materials in accordance with the prior art.
MATERIALS FOR ELECTROLUMINESCENCE AND THE UTILIZATION THEREOF
申请人:Heun Susanne
公开号:US20100102305A1
公开(公告)日:2010-04-29
The present invention relates to organic semiconductors which contain structural units L=X and in addition structural units which emit light from the triplet state. The materials according to the invention are more soluble and easier to synthesise and are therefore more suitable for use in organic light-emitting diodes than comparative materials in accordance with the prior art.