in ethanol; water react. in a sealed Teflon container (microwave oven, 2450 Mhz, 500 W, 35sec) in ethanol/water;

hydrogenchloride in benzene byproducts: [p-tolyl-NH=CH-NH-tolyl-p]Cl; HCl gas was bubbled through a benzene soln. of Rh-complex for 3 h; ppt. (amidinium chloride) was filtered off, washed with benzene and crystd. from MeOH/Et2O, (Rh(NBD)Cl)2 was obtained from the supernatant liquor;

in acetone byproducts: AgCl; Ar-atmosphere; stirring Rh-complex with AgOTf for 10 min, filtration offof AgCl (Celite), dropwise addn. to ligand (over 15 min), stirring for 1 h; concn. (reduced pressure), pptn. on addn. of Et2O and then hexane, collection (filtration, washing (hexane), drying (vac.); elem. anal.;

styrene; hydrogen in methanol complex and ligand in soln. stirred under H2 for 30 min at 30-50°C, olefin added; evapd. (vac.), not isolated, detected by IR;