Abstract
A phosphinidene-capped triruthenium cluster Ru3(CO)9(μ-H)2(μ3-PMes) (1, Mes=mesityl=2,4,6-trimethylphenyl) reacted with diphosphines to afford linked clusters [Ru3(CO)8(μ-H)2(μ3-PMes)]2(μ-dppe) (2a, dppe=1,2-bis(diphenylphosphino)ethane), [Ru3(CO)8(μ-H)2(μ3-PMes)]2(μ-dppa) (2b, dppa=bis(diphenylphosphino)acetylene), and [Ru3(CO)8(μ-H)2(μ3-PMes)]2(μ-dppf) (2c, dppf=1,1′-bis(diphenylphosphino)ferrocene) in high yields. The molecular structures of 2a and 2c were confirmed by single-crystal X-ray diffraction.
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