Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their produciton and use in catalytic reactions
申请人:Karch Ralf
公开号:US20060122398A1
公开(公告)日:2006-06-08
The invention relates to novel monocarbene complexes of nickel, palladium or platinum with electron-deficient olefin ligands, to their preparation and to their use in the homogeneous catalysis of organic reactions.
RESIN COMPOSITION AND OPTICAL COMPENSATION FILM USING SAME
申请人:Tosoh Corporation
公开号:EP3208301A1
公开(公告)日:2017-08-23
To provide a resin composition suitable for an optical compensation film, an optical compensation film using the same, which is excellent in the retardation characteristics and wavelength dispersion characteristics, and a production method of an optical compensation film.
A resin composition containing, as resin components, from 30 to 99 wt% of a cellulose-based resin represented by the following formula (1) and from 1 to 70 wt% of a cinnamic acid ester copolymer.
(wherein each of R1, R2 and R3 independently represents hydrogen or a substituent having a carbon number of 1 to 12).
Resin composition and optical compensation film using same
申请人:TOSOH CORPORATION
公开号:US10126478B2
公开(公告)日:2018-11-13
A resin composition suitable for an optical compensation film, an optical compensation film using the same, which is excellent in the retardation characteristics and wavelength dispersion characteristics, and a production method of an optical compensation film. A resin composition containing, as resin components, from 30 to 99 wt % of a cellulose-based resin represented by the following formula (1) and from 1 to 70 wt % of a cinnamic acid ester copolymer:
where each of R1, R2 and R3 independently represents hydrogen or a substituent having a carbon number of 1 to 12.
[GRAPHICS]The Heck reaction of aryl chlorides was investigated in the presence of defined monocarbenepalladium(0) complexes. Activated and nonactivated aryl chlorides provide the corresponding cinnamic esters and stilbenes in (Bu4NBr)-Bu-n as a ionic liquid in good to excellent yields.
Synthesis of Monocarbenepalladium(0) Complexes and Their Catalytic Behavior in Cross-Coupling Reactions of Aryldiazonium Salts
The first monocarbenepalladium(0) complexes with benzoquinone and naphthoquinone as additional ligands have been prepared. As demonstrated by NMR spectroscopy and X-ray analysis, the complexes show a unique coordination mode giving quinone-bridged dimers. The monocarbenepalladium(0) complexes allow efficient cross-coupling reactions of aryldiazonium salts with olefins (Heck reaction) and arylboronic acids (Suzuki reaction).