Organometallic cluster complexes with face-capping arene ligands, 10. A study of the influence of substituents on the synthesis of organometallic cluster complexes of the type [{(C5H5)Co}3(μ3-η2:η2:η2-alkenylarene)]
作者:Hubert Wadepohl、Klaus Büchner、Michael Herrmann、Alexander Metz、Hans Pritzkow
DOI:10.1016/s0022-328x(98)00845-6
日期:1998.12
cluster complexes [(C5H5)Co}3(μ3-η2:η2:η2-arene)] 5a–c (arene=methyl-β-methylstyrene), 6 (arene=3,5-dimethyl-β-methylstyrene), 7 (arene=o-methylstilbene), 8b,c (arene=fluoro-β-methylstyrene) and 9a (arene=2-phenylbut-2-ene) have been prepared from the alkenylbenzene or corresponding allylbenzene derivatives and [(C5H5)Co(C2H4)2] 1 or [(C5H5)Co(C6Me6)] 2. Yields were found to depend on the arene ligands;
簇配合物[(C 5 H ^ 5)有限} 3(μ 3 - η 2:η 2:η 2 -arene)] 5A - C ^(芳烃=甲基β -甲基苯乙烯),6(芳烃= 3,5- -二甲基-β-甲基苯乙烯),7(芳烃=邻甲基lb),8b,c(芳烃=氟-β-甲基苯乙烯)和9a(芳烃= 2-苯基丁-2-烯)已由烯基苯或相应的化合物制备。烯丙基苯衍生物和[(C 5 H5)Co(C 2 H 4)2 ] 1或[(C 5 H 5)Co(C 6 Me 6)] 2。发现产率取决于芳烃配体;参见图1。它们通常低于用取代度较低的衍生物获得的那些。与ø - ,米-和p -methylallylbenzene和1对应的μ 3 -arene簇配合物[(C 5 H ^ 5)有限} 3(μ 3 - η 2:η2:η 2 -arene)] 5A - C ^(芳烃= ø - ,米-和p -甲基β -甲基苯乙烯,分别地)形成在5,60和5%收率。与此相反,直径: