Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A chemoselective and highly efficient hydrogenation of nitroarenes and deoxygenation of pyridine N-oxides using a cheap and environmentally friendly H 2 /MoO 2 Cl 2 system has been developed. ... Deoxygenation of sulfoxides and pyridine N-oxides with phosphines and ... Deoxygenation of sulfoxides ...