Tri(1-adamantyl)phosphine: Expanding the Boundary of Electron-Releasing Character Available to Organophosphorus Compounds 

Chen Li-Ye, Ren Peng, Carrow Brad P. * 

Journal of the American Chemical Society, 2016, 138, 6392-63955. 

Link: https://doi.org/10.1021/jacs.6b03215