Cyclisations of Azidoformates. Cyclisation of Aryl Azidoformates

Article abstract of DOI:10.1039/c39810000241

Phenyl azidoformates give benzoxazolones on 'spray pyrolysis' by direct nitrene attack at the ortho-position and α-naphthyl azidoformate gives a naphthoxazolone only by β-attack; biphenyl-2-yl azidoformate gives both 7-phenylbenzoxazolone and an azepine by nitrene attack of the adjacent ring while 2,6-dimethylphenyl azidoformate gives the endo-Diels-Alder dimer of 6-isocyanato-2,6-dimethylcyclohexa-2,4-dienone under the same conditions.

Full text of DOI:10.1039/c39810000241

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