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1H-Benzimidazole-5-carboxylicacid,6-amino-,methylester synthesis

3synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: 96 percent / SOCl2 / 12 h / 50 °C
2: 68 percent / HNO3 / H2SO4 / 12 h / 50 °C
3: 98 percent / H2 / Pd/C / acetic acid / 1 h / Heating

References:

Meyer, Emmanuel A.;Donati, Nicola;Guillot, Marine;Schweizer, W. Bernd;Diederich, Francois;Stengl, Bernhard;Brenk, Ruth;Reuter, Klaus;Klebe, Gerhard [Helvetica Chimica Acta,2006,vol. 89,# 4,p. 573 - 581]

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