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Communication | Regular issue | Vol 34, No. 3, 1992, pp.429-434
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5936
A Convenient, One-Pot Synthesis of Azulenes Having Versatile Functional Groups by the Reaction of 2H-Cyclohepta[b]furan-2-ones with Furan Derivatives

Hidetsugu Wakabayashi,* Paw-Wang Yang,* Chi-Phi Wu, Kimio Shindo, Sumio Ishikawa, and Tetsuo Nozoe

*Department of Chemistry, Faculty of Science, Josai University, 1-1 Keyakidai, Sakado-shi, Saitama 350-02, Japan

Abstract

2-Acylmethyl- and 2-methoxycarbonylmethylazulene derivatives having versatile functional groups in the side chain, are synthesized in one-pot by the reaction of 2H-cyclohepta[b]furan-2-ones with furans on heating at 160 - 190 °C in aprotic solvent.