| 产品名称 | 对甲苯磺酸酐 |
|---|---|
| 英文名称 | p-Toluenesulfonic Anhydride |
| 别名 | 4-甲苯磺酸酐 |
| 英文别名 | 4-Methylbenzenesulfonic anhydride; 4-Toluenesulphonic anhydride |
| 应用 | p-Toluenesulfonic anhydride has been employed as reagent in palladium-catalyzed allylic alkenylation of allylic alcohols with n-butyl acrylate. |
| 规格或纯度 | >95.0%(T) |
| 运输条件 | 冰袋运输 |
对甲苯磺酸酐起亲电物质的作用,并原位活化2-deoxy-sμgar半缩醛,后者与亲核受体立体选择性反应生成β-异头异构体。
以 p -甲苯磺酸酐为试剂,研究了钯催化的烯丙基醇与 n-丙烯酸丁酯的烯丙基烯化反应
p-Toluenesulfonic anhydride acts as electrophilic species and activates 2-deoxy-sugar hemiacetals in situ, which reacts stereoselectively with nucleophilic acceptors to afford β-anomers.
p-Toluenesulfonic anhydride has been employed as reagent in palladium-catalyzed allylic alkenylation of allylic alcohols with n-butyl acrylate.
| 标识符号 | GHS05 |
|---|---|
| 信号词 | Danger |
| 警示性声明 | P305+P351+P338,P280,P310 |
| 危害声明 | H314 |
| 个人防护设备 | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
| WGK | 3 |
| CAS编号 | 4124-41-8 |
|---|---|
| 敏感性 | 对湿气敏感 |
| 熔点 | 121-127°C |
| 储存温度 | 2-8°C储存,充氩 |
| Reaxys-RN | 2223702 |
| MDL号 | MFCD00008548 |
| 分子量 | 326.38 |
| 分子式 | C14H14O5S2 |
| 品牌 | 阿拉丁 |
| PubChem CID | 77773 |