Trimethyloxonium tetrafluoroborate 三甲基氧鎓四氟硼酸
CAS 420-37-1 MFCD00011798
化学结构图
SMILES: C[O+](C)C.F[B-](F)(F)F
化学属性
| Mol. Formula | C3H9BF4O |
|---|---|
| Mol. Weight | 147.91 g/mol |
| Density | 1.422 |
| Melting Point | 200°C |
| TSCA | Yes |
| Stability | 对热和湿度敏感 |
| pH | -:A |
| Danger-Level | - |
| Redox | - |
别名和识别编码
| Chemical Name | TRIMETHYLOXONIUM TETRAFLUOROBORATE |
|---|---|
| CAS Number | 420-37-1 |
| Synonym | NSC 528455 Oxonium, trimethyl-, tetrafluoroborate(1-) TRIMETHYLOXONIUM TETRAFLUOROBORATE Trimethyloxonium Fluoroborate Trimethyloxonium Tetrafluoroborate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { |
| MDL Number | MFCD00011798 |
| EC Number | 206-994-4 |
| Beilstein Registry Number | 3597303 |
| PubChem Substance ID | 87577267 |
| Reaxys-RN | 3597303 |
| Chemical Name Translation | 三甲基氧鎓四氟硼酸 |
| InChIKey | KAAQTDVQNWMZJT-UHFFFAOYSA-J |
| LabNetwork Molecule ID | LN00235677 |
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分类
- {SNA} Alkyl Transfer, C-X Bond Formation (Non-Halogen), Chemical Synthesis, Synthetic Reagents
- Miscellaneous Reagents
产品应用
- 米尔文盐(Meerwein salt),是一种强的亲电子甲基化试剂,用于氢氧基基团的甲基化。可用于复杂多步骤地合成海洋天然产品spirastrellolide。
相关文献及参考
- Beilstein:1(4)1248
- Trialkyloxonium salts, also known as Meerwein's salts, are powerful alkylating agents under mild conditions. For general reactions of trialkyloxonium salts, see Triethyloxonium tetrafluoroborate, A14420. For a brief feature of their uses in synthesis, see: Synlett, 195 (2004).
- N,N-Dialkyl arylcarboxamides, useful as substrates for directed metallation reactions, can be converted to methyl esters in high yield: Tetrahedron, 56, 9875 (2000).
- Curphey, T.J. et al.: Org. Synth. 6, 1019 (1968);
- Alkylation of ethylene thioacetals proceeds only to the monoalkyl salt unless water is added, when the thioacetal is cleaved to give the carbonyl compound and the tetraalkyl ethane bis-sulfonium salt: Synthesis, 135 (1981). Alkylation on S to promote leaving group ability has also been used in a synthesis of oxiranes from ß-hydroxy sulfides: J. Am. Chem. Soc., 95, 3429 (1973); J. Chem. Soc., Chem. Commun., 714 (1975).
安全信息
GHS Symbol
- S20 When using do not eat or drink 使用时，不得进食，饮水；
- 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；
- 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；
- S43 In case of fire use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add -?Never use water) 着火时使用（指明具体的消防器材种类，如果用水增加危险，注明“禁止用水”
- 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）；
- S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置；
- R14 Reacts violently with water 遇水会猛烈反应
- R34 Causes burns 会导致灼伤
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
- 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。
- P301+P330+P331
- P303+P361+P353+P310+P363
- P304+P340
- P304+P340+P310
- 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.....
- H302 Harmful if swallowed 吞食有害
- H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
其他信息
- 下游产品:5-氨基-2-甲氧基-3-溴吡啶
- Sigma Aldrich:420-37-1(sigmaaldrich)
- TCI Shanghai:三甲基氧四氟硼酸盐 Trimethyloxonium Tetrafluoroborate,>;95.0%(T)(420-37-1)
- Hazard Note:Corrosive/Freeze
- Acros Organics:三甲基氧鎓四氟硼酸 Trimethyloxonium tetrafluoroborate, 95%(420-37-1)
- MOL 文件:420-37-1.mol
- Alfa Aesar:三甲基四氟硼酸,97+% Trimethyloxonium tetrafluoroborate, 96%(420-37-1)
- 存储注意事项:惰性气体保护;湿度敏感
- F:3-10-21
- 敏感性:Moisture Sensitive
- 三甲基氧鎓四氟硼酸价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 T1507 三甲基氧四氟硼酸盐 Trimethyloxonium Tetrafluoroborate 5G 385元 2014/06/02 T1507 三甲基氧四氟硼酸盐 Trimethyloxonium Tetrafluoroborate 25G 1260元 2010/06/21 421960100 三甲基氧鎓四氟硼酸 Trimethyloxonium tetrafluoroborate 95% 10 GR 612元
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