15070-92-5Relevant academic research and scientific papers
Polyfluorinated cyclopentadienones as lewis acids
Inés, Blanca,Holle, Sigrid,Bock, Dominique A.,Alcarazo, Manuel
, p. 1539 - 1541 (2014)
The ability of 2,3,4,5-tetrakis(trifluoromethyl)cyclopenta-2,4-dien-1-one and 2,3,4,5-tetrakis(pentafluorophenyl)cyclopenta-2,4-dien-1-one to act as organic Lewis acids in the field of frustrated Lewis pair (FLP) chemistry was evaluated. Whereas the forme
A perfluorous polyphenyl dendritic shell for the protection of a photosensitizing porphyrazine core
Loeser, Patricia,Winzenburg, Andreas,Faust, Ruediger
supporting information, p. 9413 - 9415 (2013/10/01)
The implementation of thirty-two pentafluorophenyl groups in the periphery of a phthalocyanine analogue results in a photosensitizer with a pronounced resistance towards autophotooxidation. The synthesis relies on the microwave-assisted cycloaddition of terminal alkynes to tetrakis(pentafluorophenyl)cyclopentadienone, for which a new route was devised.
Synthesis and properties of novel perylenebisimide-cored dendrimers
Ren, Huicai,Li, Jiuyan,Zhang, Ting,Wang, Renjie,Gao, Zhanxian,Liu, Di
experimental part, p. 298 - 303 (2012/07/14)
A group of perylenebisimide-cored dendrimers with polyphenylene dendrons at four bay positions were synthesized and characterized. The electron-deficient pentafluorophenyl or cyano groups were grafted at the dendrimer surface with the aim to further increase the n-type features of the resulted dendrimers. The electrochemical and optical properties were investigated. All the dendrimers show good solubility and film-forming properties, high EA values of 3.8-3.9 eV, and high fluorescent quantum yields. All these merits indicate that they are potential multifunctional materials for application in optoelectronic devices such as solar cells or organic light-emitting devices.
Synthesis and characterization of novel perylenediimide-cored dendrimer with fluorinated shell
Ren, Huicai,Li, Jiuyan,Wang, Renjie,Wang, Qian,Liu, Di
experimental part, p. 759 - 765 (2011/03/20)
A perylenediimide-based dendrimer, PDI-F, was designed and synthesized for application as red host emitter in nondoped organic light-emitting diodes. PDI-F was designed with perylenediimide as the luminescence core and pentafluorophenyl rings as the surface groups. The dendrimer molecule constructed in this way is bulky and nonplanar. PDI-F exhibits good solubility in common organic solvents and is suitable for wet methods such as spin coating to make thin films. All new compounds of the intermediates and the target dendrimer were characterized by 1H NMR, 13C NMR, mass spectrometry, and elemental analysis. In addition, the ultraviolet (UV) absorption and fluorescence (FL) of PDI-F were measured and discussed. To the best of our knowledge, this is the first report of dendrimer PDI-F.
Catalyst system for the polymerization of olefins
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, (2008/06/13)
The present invention relates to a metal-free cyclopentadienide compound which, in conjunction with a metallocene, is able to form a catalyst system that can be used for the polymerization of olefins. It is thus possible to dispense with the use of methylaluminoxane (MAO) or boron-containing compounds as co-catalyst and nevertheless achieve a high degree of catalytic activity. The invention relates also to a process for the preparation of the metal-free cyclopentadienide compound and to the use thereof as a catalyst component in the preparation of polyolefins.
PHOTOCHEMICAL AND THERMAL REACTIONS OF η5-CYCLOPENTADIENYLTETRACARBONYLVANADIUM AND BIS(PENTAFLUOROPHENYL)ACETYLENE
Foust, D.F.,Rausch, M.D.
, p. 321 - 334 (2007/10/02)
The photolysis of (η5-C5H5)V(CO)4 in the presence of one or two equivalents of bis(pentafluorophenyl)acetylene yields (η5-C5H5)V(CO)2(C6F5CCC6F5).One carbon monoxide ligand in this acetylene adduct can be photochemically displaced
