graphite oxide in chloroform T=100°C; 24 h;

tetrahydrofuran; iodine in toluene 7 h; Irradiation;

[Ru(2,2′-bipyridine)3]2+ in acetonitrile 12.5 h; Irradiation; Product distribution;

1: With pinacol borane; 1,4-di(diphenylphosphino)-butane; bis(1,5-cyclooctadiene)-rhodium(I) tetrafluoroborate in tetrahydrofuran T=80°C; 72 h; 2: With sodium hydroxide; dihydrogen peroxide in tetrahydrofuran T=20°C; Further stages. Title compound not separated from byproducts.;