Enantioselective synthesis of P-stereogenic phosphinates and phosphine oxides by molybdenum-catalyzed asymmetric ring-closing metathesis.
- (Chemical Equation Presented) The first catalytic route toward the title compounds by asymmetric ring-closing metathesis is described. A remarkable reversal of enantioselectivity is observed when the achiral imido ligand of the chiral molybdenum-catalyst is changed (see scheme), thus highlighting the importance of the achiral and the chiral ligands in catalyst design. © 2009 Wiley-VCH Verlag GmbH and Co. KGaA.
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