Imidazole derivatives. Part 4. A novel and direct synthesis of 7H-pyrrolo[1,2-a]imidazoles.
Functionalized 7H-pyrrolo[1,2-a]imidazoles are obtained directly by a novel double transacylation reaction of 1-acylimidazoles with di-Me acetylenedicarboxylate; the structure of one of the products (I) has been detd. by x-ray crystallog.
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