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Note | Regular issue | Vol 45, No. 4, 1997, pp.811-816
Published online, 1st January, 1970
DOI: 10.3987/COM-96-7729
Reaction of Pyridine-N-oxide with a Strained Seven-membered Cycloalkyne. A Correction

Hans Jörg Lindner, Adolf Krebs,* Jan-Hinrich Förster, and Volker Sinnwell

*Institut für Organische Chemie, Universitat Hamburg, Martin-Luther-King-Platz 6, D-20416 Hamburg, Germany

Abstract

Pyridine-N-oxide adds at room temperature to 3,3,6,6-tetramethyl-1-thia-cycloheptyne to give the 3H-azepine (3). A mechanism of formation for 3 is discussed. On heating 3 rearranges to yield the 3-substituted pyridine (8).