Direct Observation of Methoxycarbonylnitrene

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  The simplest alkoxycarbonylnitrene,CH3OC(O)N,has been generated through laser(266 and 193 nm)photolysis of CH3OC(O)N3 and CH3OC(O)NCO and subsequently characterized by IR(15N,D-labelling)and EPR(|D/hc| = 1.66 cm–1 and |E/hc| = 0.020 cm–1)spectroscopy in cryogenic matrices.
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