Synthesis and application of imidazole derivatives. Synthesis of pyrrolo[1,2-a]benzimidazoles and azepino[1,2-a]benzimidazoles

DOI: 10.1248/cpb.39.2787

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 2787 - 2792 (1991)

Update date:2022-08-06

Topics:

Authors:

Ohta Ohta

Narita Narita

Yuasa Yuasa

Hatakeyama

Kobayashi

Kaibe Kaibe

Kawasaki

Yamashita

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Article abstract of DOI:10.1248/cpb.39.2787

4-Methyl-4H-pyrrolo[1,2-a]benzimidazol-2(1H)-one derivatives (11a-d) were synthesized by intramolecular acylation of 1-carboxymethyl-2,3-dimethylbenzimidazolium halides (9a and 8b-d) in good yields. Treatment of the iodide (8a) with an excess of refluxing

Full text of DOI:10.1248/cpb.39.2787

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