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2-Fluorobenzoic acid → N-[2-[4-[[3-butyl-5-oxo-1-[5-(propanoylamino)-2-(trifluoromethyl)phenyl]-1,2,4-triazol-4-yl]methyl]-3-fluorophenyl]phenyl]sulfonyl-2-fluorobenzamide
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 2-Fluorobenzoic acid | HCID 9935 | — |
| 反応物 | 1,1'-Carbonyldiimidazole | HCID 68263 | — |
| 反応物 | 1,8-Diazabicyclo(5.4.0)undec-7-ene | HCID 81184 | — |
| 反応物 | 5-n-butyl-2,4-dihydro-4-[(3-fluoro-2'-sulfamoyl-biphenyl-4-yl)methyl]-2-[5-(propionylamino)-2-(trifluoromethyl)phenyl]-3H-1,2,4-triazol-3-one | HCID 9986353 | — |
| 触媒 | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| 生成物 | N-[2-[4-[[3-butyl-5-oxo-1-[5-(propanoylamino)-2-(trifluoromethyl)phenyl]-1,2,4-triazol-4-yl]methyl]-3-fluorophenyl]phenyl]sulfonyl-2-fluorobenzamide | HCID 10259447 | 93% |
反応手順
Reaction of 5-n-butyl-2,4-dihydro-4-[(3-fluoro-2'-sulfamoyl-biphenyl-4-yl)methyl]-2-[5-(propionylamino)-2-(trifluoromethyl)phenyl]-3H-1,2,4-triazol-3-one (from Step C) with 2-fluorobenzoic acid (3 equivalents), CDI (3 equiv), DBU (3 equiv), and DMAP (3 equiv) according to the method of Example 51 (as modified in Example 81) gave a a 93% yield of the title compound as a white, stiff foam, mp 119°-122° C.; homogeneous by TLC in 9:1 CH2Cl2 --MeOH; mass spectrum (FAB) m/e 742 (M+1)+.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05411980 |
| 出典データセット | uspto-grants-1995_05 |
| ORD ID | ord-0857376cb8d44a71bf1bd924fb40b46d |
| 出典メモ | uspto-grants-1995_05 |