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Communication | Regular issue | Vol 32, No. 6, 1991, pp.1055-1058
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5715
5-Bromomethyl-2-iminotetrahydrofuran Hydrobromide: A Useful Cyclic Imidate in the Synthesis of Benzazole-fused Heterocycles

Giancarlo Fantin, Marco Fogagnolo, Alessandro Medici,* and Paola Pedrini

*Dipartimento di Chimica, Università di Ferrara, 44100 Ferrara, Italy


The reaction of the title cyclic imidate with o-phenylene dinucleophiles affords the 2-substituted benzazoles (3a-c). Thermal cyclization of 3 via N-azolium salt to saturated benzazole-azines is also described.