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Veratraldehyde → 1-(3,4-Dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Veratraldehyde | HCID 8419 | — |
| 反応物 | Diethyl acetylenedicarboxylate | HCID 69803 | — |
| 反応物 | 2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal | HCID 15914458 | — |
| 生成物 | 1-(3,4-Dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene | HCID 10577734 | — |
反応手順
2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal, 3,4-dimethoxybenzaldehyde and diethyl acetylenedicarboxylate are treated in the same manner as described in Example 1-(1) & (2), whereby 1-(3,4-dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene is obtained as colorless crystals.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04897418 |
| 出典データセット | uspto-grants-1990_01 |
| ORD ID | ord-3f85bc4ebeea4fef83e5445c6887a440 |
| 出典メモ | uspto-grants-1990_01 |