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ChemInform Abstract: Anti-Tumour Heterocycles. Part 14. A New Route to Pyrrolo(3,2-f) indoles and the Novel Pyrrolo(3,2-f;4,5-f′)diindole System.

✍ Scribed by L. CHUNCHATPRASERT; P. V. R. SHANNON

Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Anti-Tumour Heterocycles. Part 14. A New Route to Pyrrolo(3,2-f ) indoles and the Novel Pyrrolo(3,2-f;4,5-f ')diindole System.

-A new and general route for the synthesis of pyrrolo(3,2-f)indoles (cf. (III), (VII)) based on the montmorillonite-mediated condensation of 5-acetoxymethyl-4acetylpyrroles with 2,3-unsubstituted pyrroles is given. The side products (VIII) and (IX), resulting from the reaction of two acetylpyrroles (V) with pyrrole (VI), smoothly undergo acid-induced cyclization to furnish the first reported example of a pyrrolodiindole (X). -(CHUNCHATPRASERT, L.; SHANNON,

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