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CAS RN: 635-46-1 | 产品编码: T0113
1,2,3,4-Tetrahydroquinoline
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技术规格
| Appearance | White or Colorless to Yellow to Orange powder to lump to clear liquid |
| Purity(GC) | min. 95.0 % |
| Freezing point | 11.0 to 20.0 °C |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 13 °C |
| 沸点 | 251 °C |
| 闪点 | 113 °C |
| 比重 | 1.06 |
| 折射率 | 1.59 |
| 水溶性 | 不溶 |
| 在水中的溶解度 | < 1 g/l 20 °C |
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防范说明 | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
相关法规
运输信息
| HS编码* | 2933.49-000 |
应用
Catalytic Formylation Using Tetrahydroisoquinoline
Experimental procedure:
4-Methoxyphenylboronic acid (20.0 mmol, 3.04 g) and glyoxylic acid monohydrate (21.0 mmol, 1.93 g) are placed in a flask. Acetonitrile (100 mL) is injected into the flask and then 1,2,3,4-ｔetrahydroquinoline (4.0 mmol, 0.5 mL) is added. The mixture is stirred at room temperature for 48 h exposed to air. After stirred for 48 h, the solvent is reduced in vacuo, and the residue is purified by column chromatography (SiO2, hexanes:EtOAc) to provide p-anisaldehyde (77% yield).
4-Methoxyphenylboronic acid (20.0 mmol, 3.04 g) and glyoxylic acid monohydrate (21.0 mmol, 1.93 g) are placed in a flask. Acetonitrile (100 mL) is injected into the flask and then 1,2,3,4-ｔetrahydroquinoline (4.0 mmol, 0.5 mL) is added. The mixture is stirred at room temperature for 48 h exposed to air. After stirred for 48 h, the solvent is reduced in vacuo, and the residue is purified by column chromatography (SiO2, hexanes:EtOAc) to provide p-anisaldehyde (77% yield).
References
- Synthesis of Aldehydes by Organocatalytic Formylation Reactions of Boronic Acids with Glyoxylic Acid
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