Regioselective Homo- and Codimerization of α-Olefins Catalyzed by Bis(2,4,7-trimethylindenyl)yttrium Hydride
journal contributionposted on 16.01.1998 by Winfried P. Kretschmer, Sergei I. Troyanov, Auke Meetsma, Bart Hessen, Jan H. Teuben
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The novel dimeric bis(2,4,7-trimethylindenyl)yttrium hydride [(Ind‘)2Y(μ-H)]2 (3) has been prepared from (Ind‘)2Y(μ-Cl)2Li(THF)2 (1) via the alkyl complex (Ind‘)2YCH(SiMe3)2 (2). The hydride 3 is a catalyst that effects the regio- and stereoselective homodimerization of a range of α-olefins at 80 °C as well as head-to-head codimerization of styrene with other α-olefins.