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■ Syntheses and Properties of Tetraazaazulenocoronands and Octaazaazulenocryptand¹

Hidetsugu Wakabayashi,* Teruo Kurihara, and Tetsuo Nozoe

*Department of Chemistry, Faculty of Science, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan

Abstract

Treatment of 1,3-diformylazulene (1) with 1.2 equiv. of α,ω-alkanediamines (3 and 4) and tris(2-aminoethyl)amine (5a) in ethanol for 24 h at room temperature gave tetaraazaazulenocoronands (2 and 9) and octaazaazulenocryptand (10) in one-pot procedure in good yields.