Abstract

A series of furanyl-, thiophenyl-, and pyrrolo-substituted pyrroles were prepared via the 1,3-dipolar cycloaddition of unsymmetrical munchnones and nitrovinylheterocycles. The regiochemical outcome of the furan and thiophene cycloadditions compares favorably to previously reported cycloadditions with β-nitrostyrene, while the nitrovinylpyrrole cycloadditions mirror the results observed with nitrovinylindole.

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