9-Diazo-10,10-dimethyl-9,10-dihydro-10-sila-2-azaanthracene and 10,10-dimethyl-4′-oxospiro[9,10-dihydro-10-sila-2-azaanthracene-9,2′-azetidine]

The synthesis of the first representative of diazo compounds in the dihydrosilaazaanthracene series and a spiro compound with dihydrosilaazaanthracene and azetidine fragments was realized.