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  1. No Access

    Article

    Reaction of aroylenebenzimidazoles with nucleophilic reagents

    The reaction of aromatic mono- and bis(o-phenylenediamines), -(aminophenols), and -(o-aminothiophenols) with mono- and diaroylenebenzimidazoles in polyphosphoric acid was studied. The interrelationship between...

    V. V. Korshak, E. S. Krongauz, A. P. Travnikova… in Chemistry of Heterocyclic Compounds (1972)

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    Article

    Syntheses based on bis(β-diketones). Reaction of di(4-acetoacetylphenyl) oxide with amines

    The reaction of di(4-acetoacetylphenyl) oxide (I) with β-napthylamine, aniline, 4-aminobiphenyl, and 4-aminodiphenylamine has given the corresponding dianils, and the conditions for their cyclization have been...

    E. S. Krongauz, A. M. Berlin, A. P. Travnikova in Chemistry of Heterocyclic Compounds (1969)

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    Article

    Preparation of polymers by polycyclization

    Heating equimolecular amounts of 1, 1, 2, 2, -tetraacetylethane, 1, 1, 3, 3-tetraacetylpropane, 4, 4′-bis(acetoacetyl)diphenyloxide, by and 1, 4-bis(2′, 2′-diacetoethyl)benzene with 4, 4′-dihydrazino-diphenyl ...

    E. S. Krongauz, V. V. Korshak, A. M. Berlin… in Chemistry of Heterocyclic Compounds (1967)