Preliminary communicationVergleichende dimerisierung der enantiomere von Oct-1-in-3-ol mit chiralen rhodium-PHOSPHAN (cas 115-78-6)-komplexen

Add time:08/28/2019    Source:sciencedirect.com

Three optically active phosphanes ([(S)-2-methylbutyl]3−nP[phenyl]n(n = 0, 1, 2), were tested as ligands in rhodium(I) complexes to form catalysts for the enantioselective dimerisation of (R)- and (S)-oct-1-yn-3-ol. The catalytic reaction provides enantioselectivity for this type of CC bond formation. For reactions at 45–75°C and depending on the P-ligand used the rates vary for both enantiomers from 6:1 to 50:1 in favour of the (S)-octynol.

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