The astonishingly simple chiral ligand 1 was used in the first asymmetric variant of the Horner-Wadsworth-Emmons reaction. The products of olefination of 4-substituted cyclohexanones with lithium phosphanates arise via the resulting hydroxyphosphonates, which are present in high enantiomeric excess (see scheme below). R=aryl, vinyl; R'=Me, tBu, Ph.
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Mizuno et al. (1998) studied this question.