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Paper | Regular issue | Vol 29, No. 6, 1989, pp.1137-1148
Published online, 1st January, 1970
DOI: 10.3987/COM-89-4911
Synthssis of 1H-Pyrrolo[1,2-c]imidazoles

Branislav Musicki,* Mary F. Malley, and J. Z. Gougoutas

*The Squibb Institute for Medical Research, P. O. Box 4000, Princeton, N.J. 08540-4000, U.S.A.

Abstract

A simple method for the preparation of 1H-pyrrolo[1,2-c]imidazole derivatives is described. The title compounds 6a-d were obtained by condensation of 2-formylpyrroles 2a-d with ammonium acetate. The 2-formylpyrroles also condense with other aromatic aldehydes in the presence of ammonium acetate to afford 1H- pyrrolo[1,2-c]imidazoles 6e-h. The structure of 6h was confirmed by single crystal X-ray analysis.