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.;

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;

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;

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;

in benzene 25 °C, 3-5 d, 800 psi CO;

35 °C, 3h;

in benzene 25 °C, 3-4 d (100 atm CO or without CO); Z:E ratio: 25:1 (total yield without CO: 38percent; in CO: 80percent);

1: With aniline in toluene T=60°C; 24 h; Inert atmosphere; 2: With FeCl3*DMF in diethyl ether; water

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;