title: Conversion of pyridine N-oxides to tetrazolopyridines.
abstract: An efficient and convenient procedure for the conversion of pyridine N-oxides to tetrazolopyridines by treatment with 4-toluene sulfonyl chloride and sodium azide in toluene at elevated temperature is described.
authors.affiliation: Freie Universität Berlin , Institut für Chemie und Biochemie, Takustrasse 3, 14195 Berlin, Germany.
authors.forename: Shanshan
authors.initials: S
authors.lastname: Liu
authors.forename: Dieter
authors.initials: D
authors.lastname: Lentz
authors.forename: C Christoph
authors.initials: CC
authors.lastname: Tzschucke