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Direct Structural Proof for the Pentazole Ring System in Solution by 15 N‐NMR Spectroscopy
Author(s) -
Müller Raffaello,
Wallis John D.,
von Philipsborn Wolfgang
Publication year - 1985
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198505132
Subject(s) - ring (chemistry) , nuclear magnetic resonance spectroscopy , spectroscopy , azide , chemistry , decomposition , nitrogen , fluorine 19 nmr , natural abundance , crystallography , stereochemistry , physics , mass spectrometry , organic chemistry , chromatography , quantum mechanics
That p ‐dimethylaminophenylpentazole 1 does in fact contain a five‐membered nitrogen ring in solution at 238–253 K has been demonstrated directly by 15 N‐NMR spectroscopy with natural isotopic abundance. The decomposition of 1 into the azide 2 and N 2 can also be monitored spectroscopically–even with 15 N‐labeled 1 (RMe 2 N).
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