ethyl 4-benzyloxy-1,2-dimethyl-1H-benzimidazole-6-carboxylate 在
钯 乙醇乙醚 作用下,
以
乙醇 为溶剂,
50.0 ℃
、66.66 MPa
条件下,
反应 16.0h,
以to give 5.91 g (69%) of the title compound as a colourless solid (m.p. 272-273° C.)的产率得到ethyl 4-hydroxy-1,2-dimethyl-1H-benzimidazole-6-carboxylate