Acetone → 1,3,5-Triazino(1,2-a)benzimidazol-4(1H)-one, 3-ethyl-2,3-dihydro-2,2-dimethyl-

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Reaction Steps

The title compound was prepared from 2-aminobenzimidazole, acetone and ethyl isocyanate by the procedure described in the first paragraph of Example 1. In this preparation, a 10-N-methylcarbamoyl derivative was not isolated and the subject compound was recovered from the Soxhlet extraction and recrystallized from acetone to give a solid, mp above 300° C. (dec). The confirmatory elemental analysis is shown in Table III.

Provenance & Evidence