SYNTHESES AND REGIOSELECTIVE CYCLOADDITION REACTIONS OF CYCLOHEPT[<I>d</I>]IMIDAZO[1,2-<I>a</I>]IMIDAZOLES (1,3<I>a</I>,9-TRIAZACYCLOPENT[<I>a</I>]AZULENES): FORMATION OF 2,3-DIAZACYCLOHEPTA[<I>ef</I>]CYCL[3.2.2]AZINE SYSTEM

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Description

Cyclohept[d]imidazo[1,2-a]imidazoles (1,3a,9-triazacyclopent[a]azulenes), being synthesized from 2-aminocycloheptimidazole, was allowed to react with reactive acetylenes to give 2,3-diazacyclohepta[ef]cycl[3.2.2]azines regioselectively.

Journal

  • Chemistry Letters

    Chemistry Letters 11 (6), 805-806, 1982-06-05

    The Chemical Society of Japan

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