Synthesis p. 297 - 302 (1992)
Update date:2022-08-05
Topics:
Molina
Lorenzo
Aller
A number of 1,3,5-triazino[1,2-a]benzimidazoles 5 and 7 have been prepared by aza-Wittig-type reaction of 2-(triphenylphosphoranylideneamino)benzimidazoles 2 and 6, which were derived from 2-aminobenzimidazoles, with isocyanates under neutral conditions.
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