Coordination of allenyl/propargyl group to samarium(III): the first crystal structures of η3-allenyl and η1-propargyl lanthanide complexes
作者： Eiji Ihara , Motomi Tanaka , Hajime Yasuda* , Nobuko Kanehisa , Tatsuya Maruo
DOI: 10.1016/S0022-328X(00)00479-4
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摘要: Abstract The synthesis and crystal structures of samarium complexes incorporating bridged Cp′SiMe 2 allenyl/propargyl ligands [Cp′=(Me 3 Si) (C 5 H )] are described. reaction a dilithium salt [(Me )]SiMe CH CCSiMe ( 1a ) with SmCl yielded an η -allenyl complex {[(Me (η -CCC[ ]SiMe )}SmCl Li (TMEDA) 2a (TMEDA= N , ′, ′-tetramethylethylenediamine). On the other hand, Ph Si substituted ligand CCSiPh 1b 1 -propargyl -CHCCSiPh )}Sm(TMEDA)[Cl Li(TMEDA)] 2b ). A conversion bonding mode from to was observed when treated (Me CLi/LiI give -CHCCSiPh )}SmI Li(TMEDA) 3b same structural also CHLi anionic ate ({[(Me )}SmCl[CH(SiMe ])[Li(TMEDA) ] 4b ), which had structure. these four were revealed by X-ray crystallography. These first examples characterization lanthanide complexes.
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sci-hub.se 参考文章(8)
Jean-Yves Lenoir, Pierre Ribéreau, Guy Quéguiner, Side chain metalation of (5-substituted-2-furyl)oxazolines Tetrahedron Letters. ,vol. 35, pp. 6283- 6286 ,(1994) , 10.1016/S0040-4039(00)73412-5
H. J. Heeres, A. Heeres, J. H. Teuben, Organolanthanide-Catalyzed Cyclodimerizations of Disubstituted Alkynes Organometallics. ,vol. 9, pp. 1508- 1510 ,(1990) , 10.1021/OM00119A023
Patrick W. Blosser, Judith C. Gallucci, Andrew Wojcicki, .eta.3-Bonding of phenylallenyl in a zirconocene complex Journal of the American Chemical Society. ,vol. 115, pp. 2994- 2995 ,(1993) , 10.1021/JA00060A065
Colin Eaborn, Keith Izod, J.David Smith, Synthesis, structure and reactions of organometallic compounds of Groups 1–3 containing bulky silicon-substituted alkyl groups Journal of Organometallic Chemistry. ,vol. 500, pp. 89- 99 ,(1995) , 10.1016/0022-328X(95)00528-X
Peter J. Davidson, David H. Harris, Michael F. Lappert, Subvalent Group 4B metal alkyls and amides. Part I. The synthesis and physical properties of kinetically stable bis[bis(trimethysilyl)methyl]-germanium(II), -tin(II), and -lead(II) Journal of the Chemical Society, Dalton Transactions. pp. 2268- 2274 ,(1976) , 10.1039/DT9760002268
Simon Doherty, John F. Corrigan, Arthur J. Carty, Enrico Sappa, Homometallic and Heterometallic Transition Metal Allenyl Complexes: Synthesis, Structure, and Reactivity Advances in Organometallic Chemistry. ,vol. 37, pp. 39- 130 ,(1995) , 10.1016/S0065-3055(08)60598-5
Yoshikazu Makioka, Koji Koyama, Tetsushi Nishiyama, Ken Takaki, Yuki Taniguchi, Yuzo Fujiwara, Generation of allenic samarium complexes from propargylic ethers and (C5Me5)2Sm(thf)2, and their electrophilic trapping Tetrahedron Letters. ,vol. 36, pp. 6283- 6286 ,(1995) , 10.1016/0040-4039(95)01260-O
Jerry L. Atwood, William E. Hunter, Andrea L. Wayda, William J. Evans, Synthesis and crystallographic characterization of a dimeric alkynide-bridged organolanthanide: [(C5H5)2ErC.ident.CC(CH3)3]2 Inorganic Chemistry. ,vol. 13, pp. 4115- 4119 ,(1981) , 10.1021/IC50226A016