Olefin hydrogenations with hydrido(phosphonite)cobalt(I) under photoirradiation and EHMO calculations for the phosphonite photodissociation process

@inproceedings{Onishi1997OlefinHW,
  title={Olefin hydrogenations with hydrido(phosphonite)cobalt(I) under photoirradiation and EHMO calculations for the phosphonite photodissociation process},
  author={Masayoshi Onishi and Masahiro Yonekura and Katsuma Hiraki and Minoru Shugyo and Hiroyuki Kawano and Hisayoshi Kobayashi},
  year={1997}
}
Abstract Pyrex-filtered photoirradiation of hydrido(phosphonite)cobalt(I) [CoH{PPh(OEt) 2 } 4 ] (CoHL 4 ) brought about catalytic olefin hydrogenations under a dihydrogen pressure of 6 kg/cm 2 , and a photogenerated coordinatively unsaturated transient species CoHL 3 was presumed to be the key-role-playing intermediate in the catalytic reaction cycles. EHMO calculations for the Cs-symmetric model complex [CoH{PH(OH) 2 } 4 ] determined that photodissociation of a phosphonite ligand (L) proceeded… CONTINUE READING

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