Interplay of bite angle and cone angle effects. A comparison between o-C6H4(CH2PR2)(PR'2) and o-C6H4(CH2PR2)(CH2PR'2) as ligands for Pd-catalysed ethene hydromethoxycarbonylation.

@article{Fanjul2013InterplayOB,
  title={Interplay of bite angle and cone angle effects. A comparison between o-C6H4(CH2PR2)(PR'2) and o-C6H4(CH2PR2)(CH2PR'2) as ligands for Pd-catalysed ethene hydromethoxycarbonylation.},
  author={Tamara Fanjul and Graham R Eastham and Joelle Floure and Sebastian J K Forrest and Mairi F. Haddow and Alex E Hamilton and Paul G. Pringle and A. Guy Orpen and Mark Waugh},
  journal={Dalton transactions},
  year={2013},
  volume={42 1},
  pages={100-15}
}
The following unsymmetrical diphosphines have been prepared: o-C6H4(CH2PtBu2)(PR2) where R = PtBu2 (L3a); PCg (L3b); PPh2 (L3c); P(o-C6H4CH3)2 (L3d); P(o-C6H4OCH3)2 (L3e) and o-C6H4(CH2PCg)(PCg) (L3f) where PCg is 6-phospha-2,4,8-trioxa-1,3,5,7-tetramethyladamant-6-yl. Hydromethoxycarbonylation of ethene under commercially relevant conditions has been investigated in the presence of Pd complexes of each of the ligands L3a–f and the results compared with those obtained with the commercially used… CONTINUE READING
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