CHEMISTRY LETTERS, pp. 57-60, 1992. 1992 The Chemical Society of Japan Photochemistry of o-Nitrophenylazide in Matrices. The First Direct Spectroscopic Observation of o-Dinitrosobenzene1'2) Shigeru MURATA and Hideo TOMIOKA* Chemistry Department for Materials, Faculty of Engineering, Mie University, Tsu, Mie 514 Photolysis of o-nitrophenylazide in an Ar matrix at 12 К produced the mixture of benzofuroxan and a new species, which ...