Key points are not available for this paper at this time.
Ta daa: The title reaction proceeds under essentially neutral reaction conditions at ambient temperature with a taddol-based phosphoramidite ligand L* allowing the creation of indanes with quaternary stereogenic centers in high enantiomeric excess (see scheme; Tf=trifluoromethanesulfonyl, DMAc=dimethylacetamide).
Albicker et al. (Mon,) studied this question.