Réaction #701683

ord-a3e57bea72e64664962058e633eccae2

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    TempératureThe mixture was cooled
  2. 2
    Extractionthe oily precipitated product extracted into chloroform
  3. 3
    Lavagewashed with water
  4. 4
    AutreOn standing, 3-(5-tetrazolyl)thianthrene-5,5-dioxide crystallised out

Mode opératoire

3-Cyanothianthrene-5,5-dioxide (0.55 g), sodium azide (0.36 g), ammonium chloride (0.30 g) and dimethylformamide (15 ml) were heated together at 130°-135° C. for 3 hr. The mixture was cooled, poured into dilute hydrochloric acid, and the oily precipitated product extracted into chloroform and washed with water. On standing, 3-(5-tetrazolyl)thianthrene-5,5-dioxide crystallised out, m.p. 233° C. (decomposition).

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US04145350uspto-grants-1979_03