Acetone → 7,8-Dichloro-1,2-dihydro-2,2,3-trimethyl-1,3,5-triazino[1,2-a]benzimidazol-4(3H)-one

HRID 615296

Reaktionsgleichung

Reaktionsgleichung von HRID 615296
[NH2:1][C:2]1[NH:3][C:4]2[CH:10]=[C:9]([Cl:11])[C:8]([Cl:12])=[CH:7][C:5]=2[N:6]=1.[CH3:13][N:14]=[C:15]=[O:16].[CH3:17][C:18]([CH3:20])=O>>[Cl:12][C:8]1[C:9]([Cl:11])=[CH:10][C:4]2[N:3]=[C:2]3[NH:1][C:18]([CH3:20])([CH3:17])[N:14]([CH3:13])[C:15](=[O:16])[N:6]3[C:5]=2[CH:7]=1

Komponenten

4

Edukt 3

HCID 180AcetoneHCID 12228Methyl IsocyanateHCID 4660162-Amino-5,6-dichlorobenzimidazole

Produkt 1

HCID 1357975297,8-Dichloro-1,2-dihydro-2,2,3-trimethyl-1,3,5-triazino[1,2-a]benzimidazol-4(3H)-one

Versuchsvorschrift

Reaction of 2-amino-5,6-dichlorobenzimidazole with acetone and methyl isocyanate according to the procedure of Example 1, first paragraph, provided the title compound. In this case, a 10-N-methylcarbamoyl derivative was not isolated from the reaction mixture. The product was recrystallized from acetone to give a solid, mp 220° C. (dec.). The confirmatory elemental analysis is shown in Table III.

Quellen und Nachweise

ORD-Eintrag
ord-99e8f81173784a4e8d0d12ff3f86fd1d
Quelldatensatz
uspto-grants-1985_02
Patentnummer
US04498920

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