Synthesis of Bicyclic Boron Heterocycles Containing [1,3,4,2]Oxadiazaborole and [1,3,2]Oxazaborine

Antigoni Kotali, Anna Maniadaki, Elvira Kotali, Philip Harris, Ewa Różycka-sokołowska, Piotr Bałczewski, John Joule

    Research output: Contribution to journalArticlepeer-review


    Boron triacetate, generated in situ, reacts with various 3-(2-acyl­hydrazono)-2-(2-phenylhydrazono)butanoic acids to give 4-acetoxy-2-aryl-8-methyl-6-oxo-7-phenylhydrazono-2H,4H,6H,7H,8H-[1,3,4,2]oxa­diazaborolo[2,3-b][1,3,2]oxazaborines in good yields. These derivatives represent a class of new zwitterionic, tetrahedral boron heterocycles. X-ray single-crystal analyses of one of the starting (acylhydrazono)butanoic acids as well as of one heterocyclic boron product are reported.
    Original languageEnglish
    Pages (from-to)4117-4125
    Issue number23
    Early online date17 Aug 2016
    Publication statusPublished - 31 Dec 2016


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