Rhodium complexes with pincer-type ligands (PNP- and PoCoP shown below) are used to mediate the dimerization of terminal alkynes. We pursue the improvement of selectivity of the reaction for each specific enyne isomer by varying the substituents on the phosphines and on the aromatic rings of the ligands, thereby slightly changing the steric and electronic parameters of the rhodium metal center in the catalyst.  ?

Targeting conjugated enyne isomers via rhodium pincer catalyst advances

245th National Meeting (2013)

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