87228-28-2Relevant academic research and scientific papers
New phenoxyketimine titanium complexes: Combining isotacticity and living behavior in propylene polymerization
Mason, Andrew F.,Coates, Geoffrey W.
, p. 16326 - 16327 (2004)
A series of titanium bis(phenoxyketimine) olefin polymerization catalysts were synthesized and screened for propylene polymerization. The phenoxyketimine ligands contain pentafluorophenyl N-aryl groups and ortho-phenol substituents of varying size. Cataly
Fluorinated bis(phenoxyketimine)titanium complexes for the living, isoselective polymerization of propylene: Multiblock isotactic polypropylene copolymers via sequential monomer addition
Edson, Joseph B.,Wang, Zhigang,Kramer, Edward J.,Coates, Geoffrey W.
, p. 4968 - 4977 (2008/09/21)
A series of bis(phenoxyketimine)titanium dichloride complexes were synthesized and evaluated as catalysts for living, isoselective propylene polymerization upon activation with methylaluminoxane (MAO). Catalysts bearing phenoxyketimine ligands with different substituents at the ortho and para positions of the phenolate ring and substituents at the ketimine carbon were investigated. The identity of the ketimine substituent had the largest effect on the activity and isoselectivity of propylene polymerization. Complex 12/MAO promoted the living, isoselective polymerization of propylene ([m4] = 0.73, α = 0.94). This catalyst system was used for the synthesis of a number of block copolymers featuring isotactic polypropylene semicrystalline blocks and poly(ethylene-co-propylene) amorphous blocks. Several triblock samples with varying block lengths, a pentablock, and a heptablock copolymer were synthesized. Mechanical testing has revealed that each is elastomeric with elongations at break between ～790-1000%.
Reactions of N-(perfluorophenyl)carbonimidoyl dichloride with aromatic acids and their derivatives in the presence of AlCl3. Formation of 2-(perfluorophenyl)isoindoline-1,3-dione and its derivatives
Petrova,Platonov
, p. 218 - 226 (2007/10/03)
Reactions of N-(perfluorophenyl)carbonimidoyl dichloride with benzoic acid, benzoyl chloride, ethyl benzoate, and also with phthalic acid, phthaloyl dichloride, and phthalic anhydride in the presence of AlCl3 at 170°C afford2-(perfluorophenyl)isoindoline-1,3-dione. With benzoic acid and benzoyl chloride form also 2-(perfluorophenyl)-3-[(perfluorophenyl)imino] isoindolin-1-one. In reactions with compounds of the benzene series arise also derivatives of arylimidoyl chlorides and amide type compounds containing a CONHC6F5 moiety. 2005 Pleiades Publishing, Inc.
Reactions of pentafluoroaniline with aromatic trihalomethyl derivatives in the presence of AlCl3
Petrova, T. D.,Popova, I. S.,Kolesnikova, I. V.,Platonov, V. E.
, p. 1027 - 1033 (2007/10/02)
The reactions of pentafluoroaniline with aromatic CX3-derivatives (X = F, Cl) in the presence of AlCl3 were studied.It was shown that compounds with a CF3 group can be used in reactions with polyaromatic amines instead of CCl3 - derivatives for the synthe
Reactions of N-pentafluorophenylcarbonimidoyl dichloride with aromatic hydrocarbons in the presence of aluminum chloride
Petrova, T. D.,Lolesnikova, I. V.,Mamatyuk, V. I.,Vetchinov, V. P.,Platonov, V. E.,et al.
, p. 1540 - 1546 (2007/10/02)
N-Pentafluorophenylcarbonimidoyl dichloride reacts with aromatic hydrocarbons (benzene, toluene, xylenes, and mesitylene) in presence of AlCl3 to give stable N-pentafluorophenylbenzimidoyl chlorides, which can further react with aromatic hydrocarbons to give azomethine derivatives.An increase in the number of methyl groups in the molecule of a hydrocarbon favors the reaction.
POLYFLUOROARYLCARBONIMIDOYL DICHLORIDES AND CHLORIDES. A NEW METHOD OF OBTAINING SUCH COMPOUNDS FROM POLYFLUOROAROMATIC AMINES AND COMPOUNDS OF THE CCl3R TYPE IN THE PRESENCE OF AlCl3
Savchenko, T. I.,Kolesnikova, I. V.,Petrova, T. D.,Platonov, V. E.
, p. 439 - 458 (2007/10/02)
Reactions of some polyfluorinated amines of the benzene, diphenyl, naphtalene and pyridine series with CCl4 in the presence of AlCl3 have been investigated.A new method is proposed for producing polyfluoroarylcarbonimidoyl dichlorides ArfN=CCl2.The reaction is shown to be sufficiently general and applicable in the series of polychlorinated anilines and low-base anilines of the hydrocarbon series as well.The possibility of involving other compounds of the type CCl3R and other Lewis acids in the reaction has been studied.The factors influencing the course of the reaction and the mechanism of formation of polyfluoroarylcarbonimidoyl dichlorides are discussed.
