Pyridine sulfur trioxide 三氧化硫吡啶络合物
CAS 26412-87-3 MFCD00012437
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信息真实价格透明
资金保障
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分类
- {SNA} Chemical Synthesis, Oxidizing Agents, Sulfur-Based, Synthetic Reagents
- {SNA} Chemical Reagents, Chemical Synthesis, Development Quantities for Research, Oxidizing Agents, Sulfur-Based, Synthetic Reagents
产品应用
- Usually used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with DMSO.
相关文献及参考
- Sulfonates indole at the 3-position: Tetrahedron, 29, 669 (1973).
- Converts alcohols to monoalkyl sulfates, utilized in carbohydrate protection: Carbohydr. Res., 127, 211, 131, C8 (1984); J. Org. Chem., 38, 3510 (1973). The pyridinium sulfates of allylic or benzylic alcohols can be deoxygenated in high yields by in situ LiAlH4 reduction in THF: J. Org. Chem., 34, 3667 (1969); Tetrahedron Lett., 4650 (1972); J. Am. Chem. Soc., 93, 7016 (1971).
- Beilstein:20,190
- The combination with Dimethyl sulfoxide, A13280, is a mild oxidant for alcohols to carbonyl compounds (Parikh-Doering Reagent): J. Am. Chem. Soc., 89, 5505 (1967), avoiding the very low temperatures required for the Swern and similar systems (see Oxalyl chloride, A18012). With chiral alcohols, less racemization occurs at the ɑ-carbon than with Collins' reagent or pyridinium dichromate: Tetrahedron Lett., 23, 807 (1982); J. Org. Chem., 46, 4799 (1981). Nicolaou utilized the system at 0oC to convert an epoxy alcohol to the corresponding aldehyde in the synthesis of hemibrevitoxin B: J. Am. Chem. Soc., 115, 3558 (1993).
- In combination with NaI, reduces ɑ-halo ketones to ketones: Synthesis, 59 (1979), and sulfoxides to sulfides: Synthesis, 984 (1979).
安全信息
GHS Symbol
- P234 Keep only in original container. 只保留在原来的容器中。
- P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- 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。
- P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
- 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+P312
- P301+P330+P331
- P301+P330+P331+P310
- P303+P361+P353
- P303+P361+P353+P310+P363
- P304+P340
- P304+P340+P310
- P305+P351+P338
- P305+P351+P338+P310
- P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
- P390 Absorb spillage to prevent material damage. 吸收溢出物,防止重大损害。
- P405 Store locked up. 上锁保管。
- P406 Store in corrosive resistant/… container with a resistant inner liner. 存放在耐腐蚀/具有耐性的内衬容器。
- P501 Dispose of contents/container to..… 处理内容物/容器.....
- H290 May be corrosive to metals 可能腐蚀金属。
- H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
- H302 Harmful if swallowed 吞食有害
- 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;
- 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);
- R22 Harmful if swallowed 吞咽有害
- 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
其他信息
- 有刺激味固体,对湿气敏感。和水反应,溶于浓H2SO4, HCl 和 HClO4,溶于二甲基亚砜(DMF)