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XBphos-Rh: a halogen-bond assembled supramolecular catalyst
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DOI：10.1039/c8sc00233a.png)
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Abstract
En 中文
The use of halogen bonding as a tool to construct a catalyst backbone is reported. Specifically, pyridyl- and iodotetrafluoroaryl-substituted phosphines were assembled in the presence of a rhodium(I) precursor to form the corresponding halogen-bonded complex XBphos-Rh. The presence of fluorine substituents at the iodo-containing supramolecular motif was not necessary for halogen bonding to occur due to the template effect exerted by the rhodium center during formation of the halogen-bonded complex. The halogen-bonded supramolecular complexes were successfully tested in the catalytic hydroboration of terminal alkynes.
Keywords:
TRANS-HYDROBORATION
BIDENTATE LIGANDS
BASIS-SETS
ALKYNES
DIPHOSPHINES
COMPLEXES
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