T=450°C; Temperature;

4-toluenesulfonyl azide; triethylamine in acetonitrile T=21°C; 24 h;

1: (4-methoxyphenyl)methanol With 1,10-phenanthroline; potassium tert-butylate; copper(l) chloride in o-di-fluorobenzene T=20°C; 0.166667 h; Inert atmosphere; 2: With 1-methyl-1H-imidazole; di-tert-butylazodicarboxylate; oxygen in o-di-fluorobenzene Reflux; 3: 2-diazo-N,N-dimethylacetamide With triphenylphosphine in o-di-fluorobenzene Inert atmosphere; stereoselective reaction;

in methanol T=-196°C; Irradiation;

benzophenone Irradiation;

benzophenone Irradiation;

T=0°C; Irradiation;

Irradiation;

Irradiation;