Post 421261 (https://www.thevespiary.org/talk/index.php?topic=11315.msg42126100#msg42126100)
(Rhodium: "Stereoselective (S)-MDA synth via the Cyanohydrin", Novel Discourse) and alsohttps://www.thevespiary.org/rhodium/Rhodium/djvu/imine.hydrogenation.djvu (https://www.thevespiary.org/rhodium/Rhodium/djvu/imine.hydrogenation.djvu)
for further reading.