Volume 90 Issue 29 | p. 41 | Concentrates
Issue Date: July 16, 2012

Four-Square Nitrogen

Chemists provide definitive evidence for the first tetrazetidine, a four-membered nitrogen ring
Department: Science & Technology
News Channels: JACS In C&EN
Keywords: nitrogen ring, tetraazo, chemical bonding, electron paramagnetic resonance

Australian chemists have spotted what they say is the first definitive example of a tetrazetidine, a molecule containing an unprecedented four-membered nitrogen ring (J. Am. Chem. Soc., DOI: 10.1021/ja303019y). The tetrazetidine system is one of the few simple chemical structures that has not yet been synthesized with any certainty. Over the past 20 years, ­David Camp and Ian . . .

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