Syuzanna Harutyunyan and co-workers have recently published their results in Nature Communications.
Publication details:
Jiawei Rong, Juan F. Collados, Pablo Ortiz, Ravindra P. Jumde, Edwin Otten, Syuzanna R. Harutyunya. Catalytic enantioselective addition of Grignard reagents to aromatic silyl ketimines. Nat. Commun.7, 13780 doi: 10.1038/ncomms13780 (2016).