Crystal and Molecular Structures of Two Pyrrolo[1,2-c]imidazol-5-ones

Abstract

The crystal structures of the pyrrolo[1,2-c]imidazol-5-ones 2 and 3 are reported; the results show that the system behaves structurally as a simple cyclic N-acylimidazole, with no special cyclic delocalisation.

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