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KMID : 1059519970410120645
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Journal of the Korean Chemical Society
1997 Volume.41 No. 12 p.645 ~ p.652
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Synthesis of Cp*Ru(CO)(PR3)H Type Complexes and Photo-Induced H/D Exchange Reaction
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Lee Dong-Hwan
Kim Sung-Il
Kim Jang-Il
Oh Yung-Hee
Kam Sang-Kyu
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Abstract
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Hydride complexes Cp*Ru(CO)(PR3)H (Cp*=η5-C5Me5, PR3=PMe3, PEt3, PMePh2, PPh3, PCy3)(4a-4f) were synthesized by the reaction of the corresponding chloro complex Cp*Ru(CO)(PR3)Cl (3a-3f) with various hydridic reagent (NaBH4, LiAlH4, LiBEt3H) or NaOMe. Irradiation of Cp*Ru(CO)(PCy3)H (5e) in C6D6 solution with UV light caused H/D exchange reaction between coordinated Cp*, PCy3 and/or Ru-H ligand proton and a deuterium of the deuterated aromatic solvent through a series of inter- and intramolecular C-H activation. The proposed mechanism was described.
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KEYWORD
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