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ChemicalBook CAS DataBase List Ethyl-2-Ethoxy-1-[[(2'-(1h-Tetrazol-5-Yl)Biphenyl-4-Yl)Methyl]Benzimidazole]-7-Carboxylate
139481-69-9

Ethyl-2-Ethoxy-1-[[(2'-(1h-Tetrazol-5-Yl)Biphenyl-4-Yl)Methyl]Benzimidazole]-7-Carboxylate synthesis

11synthesis methods
21606-04-2 Synthesis
1-Methyl-3-nitrophthalate

21606-04-2
146 suppliers
$7.00/1g

-

Yield:-

Steps:

Multi-step reaction with 8 steps
1: SOCl2, DMF / toluene / 0.5 h / Heating
2: NaN3 / acetone; H2O / 1 h
3: 1.5 h / Heating
4: 85 percent / K2CO3 / acetonitrile / 4 h / Heating
5: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature
6: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h
7: 91 percent / acetic acid / 0.67 h / 80 - 90 °C
8: 100 percent / trimethyltin azide / toluene / 29 h / Heating

References:

Kubo, Keiji;Kohara, Yasuhisa;Imamiya, Eiko;Sugiura, Yoshihiro;Inada, Yoshiyuki;et al. [Journal of Medicinal Chemistry,1993,vol. 36,# 15,p. 2182 - 2195]

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