Chemistry of Heterocyclic Compounds p. 1155 - 1159 (1985)
Update date:2022-08-04
Topics:
Kruglenko, V. P.
Gnidets, V. P.
Klyuev, N. A.
Logachev, E. V.
Klykov, M. A.
Povstyanoi, M. V.
Refluxing 1,2-diaminobenzimidazole with 3-benzoyl-2-propanonic acids in methanol gives the corresponding salts, viz., 1,2-diaminobenzimidazole 3-benzoyl-2-propanonates, which are converted to 2-benzoylmethyl-1,2,4-triazino<2,3-a>-benzimidazol-4H-3-ones upon heating in high-boiling organic solvents.
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Doi:10.1002/chem.202001180
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