For those who are familiar with organic chemistry, you will find the link to the original article below. Hope you enjoy reading it!
Næsborg, L., Halskov, K. S., Tur, F., Mønsted, S. M. N. and Jørgensen, K. A. (2015), Asymmetric γ-Allylation of α,β-Unsaturated Aldehydes by Combined Organocatalysis and Transition-Metal Catalysis. Angew. Chem. Int. Ed., 54: 10193–10197. doi: 10.1002/anie.201504749