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Ethylvanillin → 5-[[3-Ethoxy-4-hydroxyphenyl]methylene]-3-dimethylamino-2-thioxo-4-thiazolidinone
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Ethylvanillin | HCID 8467 | — |
| 反応物 | 4(5H)-Thiazolone, 3-(dimethylamino)dihydro-2-thioxo- | HCID 4341978 | — |
| 生成物 | 5-[[3-Ethoxy-4-hydroxyphenyl]methylene]-3-dimethylamino-2-thioxo-4-thiazolidinone | HCID 54235796 | 59.3% |
反応手順
3-Ethoxy-4-hydroxybenzaldehyde (45.7 g), N-dimethylaminorhodanine (53.35 g) and fused sodium acetate (92.4 g) were reacted in the manner described in Example 1 to provide 52.92 g of the subtitled intermediate. m.p. 194°-198° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05387690 |
| 出典データセット | uspto-grants-1995_02 |
| ORD ID | ord-b4f5aa06ecce4ad1afe5327d9feee4a7 |
| 出典メモ | uspto-grants-1995_02 |