Abstract
Reaction of 4′-iodo- and 4′,5′-diiodobenzo[b]-1,4-diazabicyclo[2.2.2]octenes with o-phenylenediamine under Ullmann condensation conditions gives a mixture of phenazino[1′, 2′-b]- and phenazino[2′, 3′-b]-1,4-diazabicyclo[2.2.2]octenes or only the latter, depending upon the grade of copper.
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For Communication 26 see [1].
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1095–1097, August, 1992.
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Gall', A.A., Sil'nikov, V.N. & Shishkin, G.V. Diazabicycloalkanes with bridgehead nitrogen atoms. Chem Heterocycl Compd 28, 921–923 (1992). https://doi.org/10.1007/BF00531327
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DOI: https://doi.org/10.1007/BF00531327