methylation using MeLi, and it too was structurally characterized by X-ray crystallography. In solution, 2b thermally decomposes at 25 °C to an intractable mixture. Finally, reaction of 2b with a stoichiometric amount of the borate B1 provided the corresponding ion pair complex, (CPAM)Zr[CH2CH2CH2CH = CH2]}B(C6F5)4} (9) in which the terminal alkenyl group is intramolecularly coordinated to the transition
环戊二烯基脒基 Zr 环烷基甲基配合物 (CP
AM)Zr(X)[CH 2 ( cyclo -C m H 2m-1 )] (CP
AM = (η 5 -C 5 ) 的合成、结构表征和相对稳定性的研究Me 5 )[( N,N ′)-κ 2 -N(Et)-C(Me)N( t -Bu)]) 对于 X = Cl 和 m = 3 ( 1a )、4 ( 1b ) 和 5 ( 1c ) 和 X = Me,m = 4 ( 2b ),以及对应的异构 ω-烯基配合物,(CP
AM)Zr(Cl)[CH 2 (CH 2 ) n CH 2对于 n = 0 ( 3a )、1 ( 3b ) 和 2 ( 3c ),已经进行了CH = CH 2 ]。(CP
AM)Zr(X)Cl (X = H 或 D) ( 8 ) 对
亚甲基环丙烷的
氢化锆化反应是通过 (CP
AM)Zr(SiMe 2 Ph)Cl ( 7 )的 Zr-Si 键氢解原位生