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3,5-二甲基异恶唑-4-羰酰氯
3,5-二甲基-4-酰氯-异唑 · 3,5-二甲基异唑-4-甲酰氯 · 3,5-二甲基异噁唑-4-酰氯 · 3,5-二甲基异噁唑-4-甲酰氯 · 3,5-二甲基异噁唑-4-羰酰氯 · 3,5-二甲基异恶唑-4-甲酰氯 · 3,5-二甲基异恶唑-4-羰酰氯 · 3,5-二甲基异恶唑-4-碳酰氯

标识与物理属性
| CAS No. | 31301-45-8 |
|---|---|
| 分子式 | C6H6ClNO2 |
| 平均分子量 | 159.57 g/mol |
| 单同位素质量 | 159.0087061 g/mol |
| SMILES | Cc1noc(C)c1C(=O)Cl |
| InChIKey | MPYGFFPGJMGVSW-UHFFFAOYSA-N |
| PubChem CID | 2736265 |
| EC No. | 673-076-1 |
| DTXSID | DTXSID00371242 |
| 中文名 | 3,5-二甲基异恶唑-4-羰酰氯 |
化学与物理性质
| XLogP | 1.7 |
|---|---|
| 极性表面积 | 43.1 |
| 氢键供体 | 0 |
| 氢键受体 | 3 |
| 可旋转键 | 1 |
| 重原子 | 10 |
| 形式电荷 | 0 |
| 复杂度 | 151 |
| 沸点 | 90°C 15mm |
| 密度 | 1.282±0.06 g/cm3(Predicted) |
| 折射率 | 1.4960 to 1.5000 |
| 形态 | clear liquid |
| pKa(酸度系数) | -2.98±0.28(Predicted) |
| 颜色 | Colorless to Light orange to Yellow |
| 溶解性 | Reacts with water. |
| 敏感性 | Moisture Sensitive |
| CAS 数据库 | 31301-45-8(CAS DataBase Reference) |
安全与法规
| GHS 分类 | DangerH290 (12.5%): May be corrosive to metals [Warning Corrosive to Metals]H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]H318 (12.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]H335 (25%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P234, P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P363, P390, P403+P233, P405, P406, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 8 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. |
|---|---|
| Hazard Classes and Categories | Met. Corr. 1 (12.5%)Skin Corr. 1B (100%)Eye Dam. 1 (12.5%)STOT SE 3 (25%) |
| hazard_note | Irritant |
| 包装类别 | II |
| 危险类别 | 8 |
| 安全说明(S) | 26-36/37/39-26/36/37/39/45/60-20-45-25 |
| 海关编码 | 29349990 |
| 危险品标志 | C,Xi |
| 危险类别码(R) | 34-36 |
| 运输编号(UN) | 3265 |
用途与应用
简介
3,5-二甲基异恶唑-4-甲酰氯为杂环衍生物,可用作医药中间体,用于医药实验研究和医药合成。
用途
3,5-二甲基异恶唑-4-羰酰氯用作研究用化合物。
制备与合成方法
合成方法
以(Z)-3-(吡咯烷-1-基)2-丁酸乙酯为起始物料,经关环反应制备关键中间体3,5-二甲基异恶唑-4-甲酸乙酯,经酸水解得到3,5-二甲基异恶唑-4-甲酸,最后于草酰氯反应制备目标化合物3,5-二甲基异恶唑-4-羰酰氯。其合成反应式如下图: