Iminophosphorane-mediated annelation of an imidazole ring into a benzimidazole ring: synthesis of imidazo[1,5-a-]benzimidazole derivatives. Crystal structure of 1-(4-methoxyphenylimino)-2-(4-methoxyphenylcarbamoyl)-2,3-dihydro-1H-imidazo[1,5-a]benzimidazole

1. Molina, P.
2. Alajarín, M.
3. López-Leonardo, C.
4. Madrid, I.
5. Foces-Foces, C.
6. Cano, F.H.