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CAS 161862-32-4
3-(4'-(bromomethyl)-[1,1'-biphenyl]-2-yl)-1,2,4-oxadiazol-5(4H)-one
Codes：AZILS-021
Application context (from source-drug indications)
高血压阿齐沙坦原发性高血压阿齐沙坦二型糖尿病阿齐沙坦肥胖症阿齐沙坦糖尿病阿齐沙坦
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 阿齐沙坦Azilsartan | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
4'-methyl-[1,1'-biphenyl]-2-carbonitrile→2,6-dichloro-9-((3S,4R,5R)-3-fluoro-4-((triisopropylsilyl)oxy)-5-(((triisopropylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-9H-purine→3-(4'-methyl-[1,1'-biphenyl]-2-yl)-1,2,4-oxadiazol-5(4H)-one→3-(4'-(bromomethyl)-[1,1'-biphenyl]-2-yl)-1,2,4-oxadiazol-5(4H)-one→2,6-dichloro-9-((3S,4R,5R)-3-fluoro-4-((triisopropylsilyl)oxy)-5-(((triisopropylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-9H-purine→ethyl 2-ethoxy-1H-benzo[d]imidazole-7-carboxylate→methyl 2-ethoxy-1H-benzo[d]imidazole-7-carboxylate→2,6-dichloro-9-((3S,4R,5R)-3-fluoro-4-((triisopropylsilyl)oxy)-5-(((triisopropylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-9H-purine→2,6-dichloro-9-((3S,4R,5R)-3-fluoro-4-((triisopropylsilyl)oxy)-5-(((triisopropylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-9H-purine→ethyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate→methyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate→2,6-dichloro-9-((3S,4R,5R)-3-fluoro-4-((triisopropylsilyl)oxy)-5-(((triisopropylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-9H-purine
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