Реакция #2161254

ord-aba1432f81f14837a728df53eb54db87

Уравнение реакции

CCOC(=O)c1nc([N+](=O)[O-])cn1C
ethyl 1-methyl-4-nitro-1H-imidazole-2-carboxylate
CCOC(=O)c1nc(N)cn1C
Ethyl 4-amino-1-methyl-1H-imidazole-2-carboxylate

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    ФильтрацияThe reaction solution is then filtered through kieselguhr
  2. 2
    Концентрированиеthe filtrate is concentrated
  3. 3
    ДругоеThe residue is dried in vacuo
  4. 4
    Другоеreacted further without further purification

Методика

0.50 g (2.5 mmol) of ethyl 1-methyl-4-nitro-1H-imidazole-2-carboxylate are dissolved in 7.5 ml of ethanol, 0.13 g (0.13 mmol) of palladium-on-carbon (10%) are added and the mixture is hydrogenated at 3 bar for 12 h. The reaction solution is then filtered through kieselguhr and the filtrate is concentrated. The residue is dried in vacuo and reacted further without further purification.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US07919489B2uspto-grants-2011_04