Behavior of (Ether−phosphine)ruthenium(II) Complexes [(η<sup>6</sup>-C<sub>6</sub>Me<sub>6</sub>)RuH(P⌒O)][BF<sub>4</sub>] Containing Reactive Ru−O and Ru−H Bonds toward Various Small Molecules and Their Application in Ring-Opening Metathesis Polymerization
作者:Ekkehard Lindner、Stefan Pautz、Riad Fawzi、Manfred Steimann
DOI:10.1021/om980001o
日期:1998.7.1
complexes [(η6-C6Me6)RuH(P⌒O)][BF4] (5a−c; P⌒O = η2-(O,P)-chelated ether−phosphine; a, Ph2PCH2CH2OCH3; b, Ph2PCH2C4H7O2 (C4H7O2 = 1,3-dioxanyl); c, Ph2PCH2C3H5O2 (C3H5O2 = 1,3-dioxolanyl)), each having a Ru−O and Ru−H functionality, were obtained by hydride abstraction from (η6-C6Me6)RuH2(P∼O) (4a−c, P∼O = η1-(P)-coordinated ligand) with Ph3CBF4. A facile Ru−O bond cleavage occurs when 5a−c are reacted
钌(II)配合物[(η 6 -C 6我6)期RuH(P⌒O)] [BF 4 ](图5a - ç ;P⌒O=η 2 - (ø,P)-chelated醚-膦; a,Ph 2 PCH 2 CH 2 OCH 3;b,Ph 2 PCH 2 C 4 H 7 O 2(C 4 H 7 O 2= 1,3-二恶烷基);c,Ph 2 PCH 2Ç 3 ħ 5 Ô 2(C 3 H ^ 5 Ô 2 = 1,3-二氧戊环基)),每个具有的Ru-O和期RuH功能中,通过氢化物提取从(η获得的6 -C 6我6)期RuH 2(P~O)(图4a - ç,P~O =η 1 - (P)配位的配位体)的Ph 3 CBF 4。当5a - c与各种小分子反应时,会发生容易的Ru-O键断裂。一氧化碳,乙腈,叔胺丁基胩,和乙烯被容易地添加到图5a - Ç,导致相应的加合物[(η 6 -C 6我6)期RuH(P~O)L] [BF 4 ](图6a