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CAS RN: 86393-33-1 | 产品编码: C2293
7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid
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技术规格
| Appearance | White to Light yellow powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Neutralization titration) | min. 98.0 % |
物性（参考值）
| 熔点 | 244 °C |
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H302 : Harmful if swallowed. H412 : Harmful to aquatic life with long lasting effects. |
| 防范说明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P273 : Avoid release to the environment. P270 : Do not eat, drink or smoke when using this product. P264 : Wash skin thoroughly after handling. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. |
相关法规
| RTECS# | VB1993795 |
运输信息
| HS编码* | 2933.49-000 |
应用
Amination with morpholine derivatives under microwave irradiation
Reference
应用
Synthesis and metabolic evaluation of azaspirocyclic fluoroquinolones
Typical procedure: KOtBu (191 mg) is dissolve in DMSO (20 mL), azetidinium oxalate (164 mg) is added and the mixture is stirred at rt for 10 min. Then, 7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid (200 mg) is added, and the yellow mixture is heated to 130 °C and stirred for 5.5 h. Then it is cooled to rt and poured into H2O (75 mL). The precipitate is filtered and dried overnight upon standing. The crude product is purified by suspending in hot CHCl3, and cooling the mixture to rt, when it is filtered. The residue is dried in vacuo to give the pure desired product (166 mg, 68 %).
References
参考文献
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