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Communication | Regular issue | Vol 16, No. 2, 1981, pp.231-233
Published online, 1st January, 1970
DOI: 10.3987/R-1981-02-0231
Studies on Heterocyclic Compounds IV. Novel Diazotization Product of Ethyl 5-Aminofuran-2-carboxylate

Sheng-Chu Kuo,* Chun-Hsiung Wu, Chung-Chiee Wang, Akira Tanaka, and Chun-Chen Liao

*School of Pharmacy, China Medical College, Taichung 400, Taiwan, R.O.C.

Abstract

Using ethyl 5-aminofuran-2-carboxylate as starting material for diazotization following standard method, instead of obtaining the usual diazonium salt, we isolated and characterized an unexpected dimeric product—diethyl 2’3’4’5’-tetrahydro-5,5’-dioxo[2,3’-bifuran]-2,2’(5H)-dicarboxylate.