Chemistry of Heterocyclic Compounds p. 1274 - 1278 (1990)
Update date:2022-08-04
Topics:
Gaponik, P. N.
Karavai, V. P.
Davshko, I. E.
Degtyarik, M. M.
Bogatikov, A. N.
Heterocyclization of m- and p-phenylenediamines with orthoformic ester and sodium azide has given phenylenebis-1H-tetrazoles.Under these conditions, o-phenylenediamine gives benzimidazole. o-, m-, and p-Phenylenebis-1H-tetrazoles were also obtained from the nitroanilines via the intermediate nitro- and aminophenyltetrazoles.The reactions of the bistetrazoles examined were basic hydrolysis, aminomethylation, and complex formation with copper salts.
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