Abstract
The first representative of macroheterocyclic ligands of the dibenzo[c,m]dipyrazolo[3,4-f:4′,3′-j][1,2,5,8,9,12]hexaazacyclotetradecene class was obtained by nontemplate cyclization of 4,4′-azobis(5-chloro-2,3-dimethyl-1-phenyl-1H-pyrazolium) bis(methylsulfate) with 2,2′-diaminoazobenzene in an aprotic solvent in the presence of potassium carbonate or magnesium oxide.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 239–243, February, 1984.
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Dziomko, V.M., Vigran, V.K., Ryabokobylko, Y.S. et al. First representative of macroheterocyclic ligands of the dibenzo-[c,m]dipyrazolo[3,4-f:4′,3′-j][1,2,5,8,912]hexaazacyclotetradecene class. Chem Heterocycl Compd 20, 196–200 (1984). https://doi.org/10.1007/BF00506292
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DOI: https://doi.org/10.1007/BF00506292