Immobilized metathesis tungsten oxo alkylidene catalysts and use thereof in olefin metathesis
申请人:XiMo AG
公开号:US10427146B2
公开(公告)日:2019-10-01
Method of making an immobilized tungsten catalyst comprising or consisting of (≡SiO)X W(═O)(═CR1R2)(R3 or R4)2-x(L)z, comprising at least the following step (i): (i) reacting silica (Si02) with a tungsten oxo alkylidene complex comprising or consisting of (R3)(R4)W(═O)(═CR1R2)(L)y, preferably wherein ═CR1R2 is selected from ═CHC(CH3)3 or ═CH(C(CH3)2)C6H5 and R3 and R4 are independently selected from pyrrol-1-yl, 2,5-dimethylpyrrol-1-yl, or 2,5-diphenylpyrrol-1-yl, or —OR, wherein R is a six membered or 10 membered aryl ring, optionally substituted.
TROFIMOV, B. A.;KOROSTOVA, S. E.;SHEVCHENKO, S. G.;POLUBENTSEV, E. A.;MIX+, ZH. ORGAN. XIMII, 25,(1990) N, S. 1110-1113
作者:TROFIMOV, B. A.、KOROSTOVA, S. E.、SHEVCHENKO, S. G.、POLUBENTSEV, E. A.、MIX+
DOI:——
日期:——
Polyvinyl pyrrole host material, luminescent layer comprising the same, and organic electroluminescent device comprising the luminescent layer
申请人:Park Jong-Jin
公开号:US20070185294A1
公开(公告)日:2007-08-09
Provided are a polyvinyl pyrrole host material emitting highly efficient phosphorescence, a luminescent layer using the material, and an organic electroluminescent display device. The polyvinyl pyrrole host material shows highly efficient luminescence having improved energy transfer, and thus is useful for an organic electroluminescent display device and other various light emitting devices.
POLYVINYL PYRROLE HOST MATERIAL, LUMINESCENT LAYER COMPRISING THE SAME, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE LUMINESCENT LAYER
申请人:PARK JONG-JIN
公开号:US20110253993A1
公开(公告)日:2011-10-20
Provided are a polyvinyl pyrrole host material emitting highly efficient phosphorescence, a luminescent layer using the material, and an organic electroluminescent display device. The polyvinyl pyrrole host material shows highly efficient luminescence having improved energy transfer, and thus is useful for an organic electroluminescent display device and other various light emitting devices.