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Paper | Special issue | Vol 61, No. 1, 2003, pp.271-279
Published online, 4th August, 2003
DOI: 10.3987/COM-03-S35
Synthesis of Azulenequinones Fused with Thiophene and Furan

Hideyuki Matsuo, Kunihide Fujimori,* Akira Ohta, Akikazu Kakehi, Masafumi Yasunami, and the late Tetsuo Nozoe

*Department of Chemistry, Faculty of Science, Shinshu University, Matsumoto 390-8621, Japan

Abstract

1,5- And 1,7-azulenequinones fused with a thiophene or furan ring have been synthesized by bromine oxidation of azuleno[1,2-b]thiophenes, azuleno[2,1-b]thiophene, and azuleno[1,2-b]furan in aqueous THF.