化工社化工社 化学情報印刷レポート · 研究参考用
Formaldehyde → 3-(3,5-Dimethoxy-4-hydroxybenzyl)-benzothiazole-2-thione
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Formaldehyde | HCID 712 | — |
| 反応物 | 2,6-Dimethoxyphenol | HCID 7041 | — |
| 反応物 | HCID 178418395 | HCID 178418395 | — |
| 触媒 | Dibutylamine | HCID 8148 | — |
| 溶媒 | Ethanol | HCID 702 | — |
| 生成物 | 3-(3,5-Dimethoxy-4-hydroxybenzyl)-benzothiazole-2-thione | HCID 19807496 | 82% |
反応手順
16.7 g of mercaptobenzothiazole, 3.0 g of paraformaldehyde, 15.4 g of 2,6-dimethoxyphenol and 1 g dibutylamine are heated at 110°, with rapid stirring, for 2 hours. 50 ml of ethanol are added and the mixture cooled to 10° thereby obtaining 27.3 g of 3-(3,5-dimethoxy-4-hydroxybenzyl)-benzothiazole-2-thione (compound No. 8) melting at 141°-142°.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04894091 |
| 出典データセット | uspto-grants-1990_01 |
| ORD ID | ord-2b535ab34f064fd4810a6e4b8b5a1750 |
| 出典メモ | uspto-grants-1990_01 |