[WBr2(CO)4] reacts with cycloocta-1,5-diene, cyclooctatetraene, and norbornadiene (LL) to give complexes [WBr2(CO)LL]2 (I) which react with Lewis bases (L') [L' = CNCMe3, PMe2Ph, (POMe)3] to give coordinatively unsatd. diene complexes [WBr2CO(LL)L] (II) and coordinatively satd. derivs. [WBr2(CO)(LL)L'2] (LL = norbornadiene) and [WBr2(CO)2L'3]. Two isomeric forms of II exist which have been sepd. in the case of [WBr2(CO)(NBD)(PMe2Ph)] (NBD = norbornadiene).
Synthesis of coordinatively unsaturated diolefin complexes of tungsten(II)
VASAPOLLO, Giuseppe
1983-01-01
Abstract
[WBr2(CO)4] reacts with cycloocta-1,5-diene, cyclooctatetraene, and norbornadiene (LL) to give complexes [WBr2(CO)LL]2 (I) which react with Lewis bases (L') [L' = CNCMe3, PMe2Ph, (POMe)3] to give coordinatively unsatd. diene complexes [WBr2CO(LL)L] (II) and coordinatively satd. derivs. [WBr2(CO)(LL)L'2] (LL = norbornadiene) and [WBr2(CO)2L'3]. Two isomeric forms of II exist which have been sepd. in the case of [WBr2(CO)(NBD)(PMe2Ph)] (NBD = norbornadiene).File in questo prodotto:
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