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(2-Nitrophenyl)hydrazine → 3-Chloro-5-(trifluoromethyl)-2-pyridinecarbaldehyde 2-(2-nitrophenyl)hydrazone
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | (2-Nitrophenyl)hydrazine | HCID 3314739 | — |
| 反応物 | 3-Chloro-5-(trifluoromethyl)picolinaldehyde | HCID 22018790 | — |
| 溶媒 | Ethanol | HCID 702 | — |
| 生成物 | 3-Chloro-5-(trifluoromethyl)-2-pyridinecarbaldehyde 2-(2-nitrophenyl)hydrazone | HCID 68615054 | — |
反応手順
A mixture of 3-chloro-5-(trifluoromethyl)pyridine-2-carboxaldehyde (1.05 g) and 2-nitrophenylhydrazine (0.76 g) in ethanol (75 ml) was heated at reflux for 2.5 hours and then allowed to cool to room temperature overnight. The resulting orange solid was isolated by filtration and recrystallised (petrol) to afford the title compound as admixture of isomers, m.p. 127-35° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US06939882B1 |
| 出典データセット | uspto-grants-2005_09 |
| ORD ID | ord-35658f78fa5c461cbe8d5acfc759eb93 |
| 出典メモ | uspto-grants-2005_09 |