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CAS RN: 700371-70-6 | 产品编码: E1299
Ethyl 2-(4-Cyanophenyl)hydrazinecarboxylate
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技术规格
| Appearance | White to Light yellow to Light orange powder to crystal |
| Purity(GC) | min. 98.0 % |
| Melting point | 135.0 to 139.0 °C |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 137 °C |
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H302 + H312 + H332 : Harmful if swallowed, in contact with skin or if inhaled. H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防范说明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. P270 : Do not eat, drink or smoke when using this product. P271 : Use only outdoors or in a well-ventilated area. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. 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. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/doctor if you feel unwell. P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell. |
相关法规
运输信息
| HS编码* | 2928.00-000 |
应用
Catalytic Mitsunobu Reaction
Taniguchi (Kanazawa Univ.) et al. have reported a new catalytic Mitsunobu reaction with ethyl 2-(4-cyanophenyl)hydrazinecarboxylate [E1299] (10 mol%) under atmospheric oxidation conditions. They describe the catalytic system in which ethyl 2-arylazocarboxylate, an oxidized azo form of E1299, plays a role as diethyl azodicarboxylate (DEAD). The azo compound-promoted Mitsunobu reactions of alcohols with carboxylic acids in the presence of triphenylphosphine successfully proceed to give ester products. Then, generated E1299 is reoxidized to its azo form by in situ iron catalyzed atmospheric oxidation. E1299 provides good results with nucleophiles other than carboxylic acids. On the other hand, E0998 is suitable for the reactions with carboxylic acids.
References
- Advances and mechanistic insight on the catalytic Mitsunobu reaction using recyclable azo reagents
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