in further solvent(s) at moderately high temps., solvents: hydrocarbons;

in tetrahydrofuran A soln. of 2-nitrosobiphenyl in THF under N2 is stirred at 25°C until it is light green (5 min), to soln. is added carbene complex in THF, the soln. is then heated under reflux for a period of 5 h.; cooling of resulting olive green soln. to 25°C, solvent removal, residue is dissolved in soln. of 19/1 hexane/ethyl acetate, purifn. by chromy.;

tetrakis(triphenylphosphine) palladium(0); triethylamine in acetonitrile T=20°C; Inert atmosphere; SolventReagent/catalyst; stereoselective reaction;

byproducts: cis-α.α'-dimethoxy-stilbene, trans-α.α'-dimethoxy-stilbene; at 135°C;;

in further solvent(s) Cr complex in trioctylphosphine injected to trioctylphosphine at 300°C (Ar), aged at 300°C, aged at 300°C for 1.5 h; cooled to room temp., pptd.(ethanol), XRD, elem. anal.;

in tetrahydrofuran A soln. of 2-nitrosobiphenyl in THF under N2 is stirred at 25°C until it is light green (5 min), to soln. is added carbene complex in THF, the soln. is then heated under reflux for a period of 5 h.; cooling of resulting olive green soln. to 25°C, solvent removal, residue is dissolved in soln. of 19/1 hexane/ethyl acetate, purifn. by chromy.;

in tetrahydrofuran Nitrosobenzene soln. in THF under N2 is stirred at 25°C until it is light blue in color, to this soln. is added carbene complex in THF, the soln. is heated under reflux.; cooling of resulting olive green soln. to 25°C, solvent removal, residue is dissolved in CH2Cl2, filtn., solvent removal from orange filtrate, residue is dissolved in a 19:1 hexane:ethyl acetate soln., purifn. by chromy., three fractions;

1: in benzene T=80°C; 16 h; Inert atmosphere; 2: With ammonium cerium (IV) nitrate in diethyl ether; benzene T=20°C; 3 h; Inert atmosphere; chemoselective reaction;

1: in benzene T=40°C; 22 h; Inert atmosphere; 2: With ammonium cerium (IV) nitrate in diethyl ether; benzene T=20°C; 3 h; Inert atmosphere; chemoselective reaction;

1: in benzene T=40°C; 22 h; Inert atmosphere; 2: With ammonium cerium (IV) nitrate in diethyl ether; benzene T=20°C; 3 h; Inert atmosphere;