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83573-62-0

2H-Benzimidazol-2-one,1,3-dihydro-5-methyl-6-nitro-(9CI) synthesis

1synthesis methods
5267-27-6 Synthesis
5-Methyl-2,4-dinitrobenzenamine

5267-27-6
4 suppliers
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Yield:-

Steps:

Multi-step reaction with 2 steps
1: aq.-ethanolic NH3; pyridine; H2S / Erwaermen des Reaktionsprodukts mit CS2 und KOH in Aethanol
2: KMnO4; aqueous NaOH / Erhitzen des Reaktionsprodukts mit wss. HCl bei 120grad

References:

Efros;El'zow [Zhurnal Obshchei Khimii,1958,vol. 28,p. 62,68; engl. Ausg. S. 64, 65][s. dagegen H 23 152]