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4-Nitrophenol → Oxalic acid (4-nitro-phenyl) ester (2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl) ester
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 4-Nitrophenol | HCID 980 | — |
| 反応物 | Chloro-oxo-acetic acid 2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl ester | HCID 53805502 | — |
| 溶媒 | Toluene | HCID 1140 | — |
| 生成物 | Oxalic acid (4-nitro-phenyl) ester (2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl) ester | HCID 86750781 | 33% |
反応手順
Reaction of chloro-oxo-acetic acid 2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl ester prepared as Example 11 reacted in toluene at the reflux with p-nitrophenol gave after purification oxalic acid (4-nitro-phenyl) ester (2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl) ester (33% yield). Analysis C,63.5; H,3.3; N,3.5; C22H13NO8 requires C,63.0; H,3.1; N,3.3%. Mass Spectrometry shows a molecular ion at 419.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05625080 |
| 出典データセット | uspto-grants-1997_04 |
| ORD ID | ord-4efc249eec60465d8c0a6c8fbc253e0a |
| 出典メモ | uspto-grants-1997_04 |