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3,5-Dichlorobenzoic acid → (2R*,4S*)-2-benzyl-1-(3,5-dichlorobenzoyl)-N-(2-phenylethyl)-N-trifluoroacetyl-4-piperidinamine
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 3,5-Dichlorobenzoic acid | HCID 5811 | — |
| 反応物 | Triethylamine | HCID 8471 | — |
| 反応物 | Thionyl Chloride | HCID 24386 | — |
| 反応物 | (2R*,4S*)-2-Benzyl-N-(2-phenylethyl)-N-trifluoroacetyl-4-piperidinamine | HCID 22863105 | — |
| 生成物 | (2R*,4S*)-2-benzyl-1-(3,5-dichlorobenzoyl)-N-(2-phenylethyl)-N-trifluoroacetyl-4-piperidinamine | HCID 57094766 | 60.4% |
反応手順
189 mg (0.992 mmol) of 3,5-dichlorobenzoic acid are reacted in analogy to Example 2a first with 0.108 ml (1.49 mmol) of thionyl chloride and subsequently with 155 mg (0.397 mmol) of (2R*,4S*)-2-benzyl-N-(2-phenylethyl)-N-trifluoroacetyl-4-piperidinamine and 166 μl (1.19 mmol) of triethylamine to give the title compound (135 mg, 60%). TLC: methylene chloride/methanol/conc. ammonia (1000:50:1) Rf =0.70, FD-MS: M+ =562, 564.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05541195 |
| 出典データセット | uspto-grants-1996_07 |
| ORD ID | ord-cecc72d724a74bf1b9d12914bbc0eb8b |
| 出典メモ | uspto-grants-1996_07 |