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Hydrochloric Acid → 4-(3-Cyclohexyl-indole-1-sulfonyl)-benzoic acid
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Hydrochloric Acid | HCID 313 | — |
| 反応物 | Sodium Hydroxide | HCID 14798 | — |
| 反応物 | 4-(3-Cyclohexyl-indole-1-sulfonyl)-benzoic acid methyl ester | HCID 58975220 | — |
| 溶媒 | Methanol | HCID 887 | — |
| 溶媒 | Tetrahydrofuran | HCID 8028 | — |
| 溶媒 | Ethyl Acetate | HCID 8857 | — |
| 生成物 | 4-(3-Cyclohexyl-indole-1-sulfonyl)-benzoic acid | HCID 58975217 | 86.4% |
反応手順
Add 5N sodium hydroxide (1.17 ml, 3 eq) to a solution of 4-(3-Cyclohexyl-indole-1-sulfonyl)-benzoic acid methyl ester (775 mg, 1.95 mmol, 1 eq) dissolve in a mixture of 10 ml THF and 5 ml MeOH. Stir for 1.5 hours. Remove solvent on rotovap and add 1 N HCl. Dissolve the solid that crashes out of solution in EtOAc. Extract product into organics, separate organics, dry over MgSO4, and concentrate on rotovap to give 4-(3-Cyclohexyl-indole-1-sulfonyl)-benzoic acid (646 mg, 86% yield) as a white solid.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07595339B2 |
| 出典データセット | uspto-grants-2009_09 |
| ORD ID | ord-f67840dfdb91438c9050fd2cebd9aec7 |
| 出典メモ | uspto-grants-2009_09 |