oxygen; dichloro bis(acetonitrile) palladium(II); copper(l) chloride in ethylene glycol dimethyl ether T=60°C; P=760 Torr; 71 h; Yield given. Yields of byproduct given;

in benzene 16 h; Heating;

hydrogen; platinum(IV) oxide in acetic acid; ethyl acetate P=760 Torr; 2 h; Ambient temperature;