Diethylaminosulfur trifluoride 二乙胺基三氟化硫
CAS 38078-09-0 MFCD00000363
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分类
- {SNA} Chemical Synthesis, Fluorination, Fluorination Reagents, Synthetic Reagents
- Intermediates
- Miscellaneous Reagents
- {uni_hamburg} no charge; 1fragment
产品应用
- 氟化试剂
相关文献及参考
- In the presence of SbCl3, promotes the fluoro-Pummerer rearrangement of sulfoxides: J. Am. Chem. Soc., 107, 735 (1985); Org. Synth. Coll., 9, 446 (1998):
- See also 4-Morpholinylsulfur trifluoride, L19751.
- Giannini, G. et al.: Eur. J. Org. Chem., 11, 2411 (2004); Lafargue, P. et al.: Synlett, 2, 171 (1995);
- Direct conversion of thioethers to the ɑ-fluoro analogues has also been reported: J. Org. Chem., 58, 3800 (1993). Fluorination of thioesters leads to ɑɑ-difluoroethers: J. Org. Chem., 55, 768 (1990):
- Short: III/35B
- Short: IV/20C
- Convenient reagent for conversion, in the absence of base, of N-protected amino acids to the acyl fluorides: Lett. Pept. Sci., 2, 285 (1996); Indian J. Chem., 39, 384 (2000); compare Cyanuric fluoride, A15666. Review of peptide coupling via amino acid halides: Acc. Chem. Res., 29, 268 (1996). See also Appendix 6.
- Use of dichloromethane as solvent permits the selective monofluorination of sugars: J. Org. Chem., 48, 393 (1983). Glycosyl fluorides, which are useful building blocks for oligosaccharides: J. Am. Chem. Soc., 105, 2430 (1983), and C-glycosides, can be prepared by reaction of DAST with phenylthioglycosides: J. Am. Chem. Soc., 106, 4189 (1984). The reaction with diols can lead to difluorides, sulfite esters or cyclic ethers: J. Chem. Soc., Perkin 2, 861 (1995).
- Reagent for conversion of alcohols to alkyl fluorides and carbonyl compounds to gem-difluorides, less prone to cause dehydration or rearrangement than SF4: J. Org. Chem., 40, 574 (1975); Org. Synth. Coll., 6, 835 (1988); Eur. J. Org. Chem., 3177 (2000); Tetrahedron Lett, 44, 6661 (2003); reviews: Org. React., 35, 513 (1988); Austral. J. Chem., 54, 75 (2001); Synlett, 1130 (2006). Conversion of alcohols to fluorides has been accomplished with stereocontrol at the chiral center: Tetrahedron: Asym., 4, 161 (1993).
- Short: IV/20A
安全信息
- R10 Flammable 易燃
- R14 Reacts violently with water 遇水会猛烈反应
- R20/21/22 Harmful by inhalation, in contact with skin and if swallowed 吸入、皮肤接触和不慎吞咽有害
- R34 Causes burns 会导致灼伤
- S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
- S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
- S30 Never add water to this product 切勿将水加入该产品中;
- S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
- S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
GHS Symbol
- H226 Flammable liquid and vapour 易燃液体和蒸气
- H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
- H302+H312+H332
- P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
- P233 Keep container tightly closed. ?保持容器密闭。
- P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
- P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
- P303+P361+P353+P310+P363
- P304+P340
- P305+P351+P338
- P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
- P405 Store locked up. 上锁保管。
- P501 Dispose of contents/container to..… 处理内容物/容器.....
其他信息
- 见水分解。