Matrix Isolation and Spectroscopic Characterization of 2,5,6‐Trifluoropyridylnitren‐3‐yl
Matrix Isolation and Spectroscopic Characterization of 2,5,6‐Trifluoropyridylnitren‐3‐yl
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2,5,6âTri氟吡啶基氮烯â3âyl 的基质分离和光谱表征
DOI:
10.1002/ejoc.201101866
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发表时间:
2012
影响因子:
2.8
通讯作者:
W. Sander
中科院分区:
文献类型:
--
作者:
D. Grote;Ch. Finke;P. Neuhaus;W. Sander
The photochemistry of 3‐iodo‐2,5,6‐trifluoropyridyl azide (6c), matrix‐isolated in argon, was investigated by IR and EPR spectroscopy. The primary photoproduct is 3‐iodo‐2,5,6‐trifluoropyridylnitrene (7c) in its triplet ground state. Further irradiation produced very low yields of nitrene radical3c, which shows a characteristic EPR spectrum. The yield of3c, however, was too low for IR detection. Instead, azirinyl radical11, formed from3cby ring closure, could clearly be identified in the IR spectra. Other products observed were azirine8c′and the ketenimine9c′, which are formed in a photostationary equilibrium together with nitrine7c.
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