1H-Benzimidazole,5,6-dimethyl-4-nitro-(9CI) synthesis
- Product Name:1H-Benzimidazole,5,6-dimethyl-4-nitro-(9CI)
- CAS Number:21472-08-2
- Molecular formula:C9H9N3O2
- Molecular Weight:191.19
582-60-5
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Yield:21472-08-2 97%
Reaction Conditions:
Stage #1: 5,6-dimethyl-1H-benzo[d]imida-zolewith tert-butyl methyl ether;nitric acid in tetrahydrofuran at 0;
Stage #2: with sulfuric acid in dichloromethane at 0 - 5; for 1 h;Further stages.;
References:
Zhang, Pingsheng;Cedilote, Miall;Cleary, Thomas P.;Pierce, Michael E. [Tetrahedron Letters,2007,vol. 48,# 49,p. 8659 - 8664]