相关期刊:《Journal of Rare Earths》《Chemical Research in Chinese Universities》《Chinese Journal of Polymer Science》《Chinese Journal of Structural Chemistry》更多>>
financially supported by the National Natural Science Foundation of China (No. 21274041);the Key Project of Chinese Ministry of Education (No. 109064);the Fundamental Research Funds for the Central Universities (No. WK1214048)
Four C_1-symmetric ansa-metallocene complexes, C_2H_4(Ind)(2,7-~tBu_2-Flu)ZrCl_2(4), C_2H_4(3-Bn-Ind)(2,7-~tBu_2-Flu)ZrCl_2(5),C_2H_4(3-Bn-Ind)(3,6-~tBu_2-Flu)ZrCl_2(6), and C_2H_4(3-Bn-Ind)(2,7-~tBu_2-Flu)HfCl_2(7), ...
Project supported by the National Natural Science Foundation 0f China (No. 20472106).
The title compound (Sulindac) was prepared from the corresponding sulfinyl compound p-methylsulfinylbenzyl bromide by four-step reaction. The sole product (Z)-5-fuoror-2-methyl-l-(p-methylsulfinylbenzylidene)-3-...
Project supported by the National Natural Science Foundation of China (No. 20272040).
The catalytic activity of a series of indenylnickel(Ⅱ) halides: (1-R-Ind)Ni(PPh3)X (R=ethyl, cyclopentyl and benzyl, while X=Cl, Br and I), towards styrene polymerization was studied in the presence of NaBPh...
This work was supported by the National Natural Science Foundation of China (No. 20472001), the program for NCET (NCET-04-590), and the Excellent Young Scholars foundation of Anhui Province (04046079) and a grant from Anhui Education Department (2005hbz06)
The title compound {η^5:η^1-[(2-MeOC6H4)C3H6]CgH6}Li(DME) (DME=1,2-dimethoxy-ethylene) was synthesized by the treatment of 3-[(2-methoxyphenyl)-isopropyl]-indene with 1 equiv, of n-BuLi followed by the recr...
Project supported by the Major State Basic Research Development Program(No.G1999064801) the National Natural Science Foundation of China (No. 20372022) and the Research Fund for the Doctoral Program of Higher Education (No. 20020251002).
Complexes (R^1Cp)(R^2Ind)ZrCl2, the catalysts previously reported active for ethylene polymerization showed high activity in ethylene/1-hexene copolymerization and propylene polymerization in the presence of MAO. ...
ProjectsupportedbytheMajorStateBasicResearchDevelopmentProgram (No .G19990 64 80 1) .
Reaction of anhydrous ytterbium trichlorides with 2 equiv. of cyclopentylindenyl lithium in THF solution, followed by removal of the solvent and crystallization of the product from diethyl ether, affords a crystal com...
The polymerization of acrylonitrile was studied using (diisopropylamido)bis(indenyl) lanthanides, Ind 2LnN(i Pr) 2(Ln=Y, Yb) as a single component catalyst. The effects of the amount of catalyst, monomer concentr...
The crystal structure of the title compound (C18H16, Mr = 232.31) has been determined by single-crystal X-ray diffraction. The crystal is of monoclinic, space group P21/n with a = 6.3449(9), b = 6.6297(9), c = 15.727(...
National Natural Science Foundation of China and SINOPEC(No.29734144).
Three unbridged metallocenes, bis(2,4,7-Me3-indenyl)zirconium dichloride(1) , bis(2-Me-4, 7-Et2-indenyl)zirconium dichloride (2) and bis (2, 4, 6-Me3-indenyl) zirconium dichloride (3) were synthesized. The effect of s...
Introduction It is well known that organometallic hydrides of rare earth metals are the catalysts and reducing reagents for the catalysis polymerization of alkenes and the catalysis hydrogenation of alkenoalkynes. The...