Treatment of 2,2-disubstituted N -alkoxy-3-hydroxypropionamides ( 8 ) with aryl isocyanates ( 9 ) in a mole ratio of 1:2 in boiling benzene and in the presence of triethylamine yields 3-alkoxytetrahydro-2 H -1,3-oxazine-2,4-diones ( 10 ) and 3-aryltetrahydro-2 H -1,3-oxazine-...
PalladiumPlatinumIronReactions at the coordinated ligandCarbanionic heterocycleμ2‐AminocarbyneX‐ray structuresSubstitution by isocyanoacetate (CNCH2CO2-) of one chloro ligand in trans -[MCl2(PPh3)2] (M = Pd, Pt) results in the 2-oxazolin-5-on-2-ato complexes 4a , b , i.e. immediate ...