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- Sulfur trioxide pyridine complex is the compound with the formula C5H5NSO3. It is a colourless solid that dissolves in polar organic solvents. It is the adduct formed from the Lewis base pyridine and the Lewis acid sulfur trioxide. The compound is mainly used as a source of sulfur trioxide, for example in the synthesis of sulfate esters from alcohols: ROH + C5H5NSO3 → [C5H5NH]+[ROSO3]− It also is useful for sulfamations: R2NH + C5H5NSO3 → C5H5N + R2NSO3H The compound is used for sulfonylation reactions, especially in the sulfonylation of furans. It is also an activating electrophile in a Parikh-Doering oxidation. (en)
- 三氧化硫吡啶是一种有机化合物，化学式为C5H5NSO3。它是无色固体，可溶于极性有机溶剂。它是路易斯碱吡啶和路易斯酸三氧化硫的加合物。它主要用于提供三氧化硫，如由醇类制备硫酸酯： ROH + C5H5NSO3 → [C5H5NH]+[ROSO3]− 这个试剂可用于很多磺酰化反应，如呋喃的磺酰化反应。它在Parikh–Doering氧化反应中作为亲电试剂。 (zh)
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- Sulfur-trioxide-pyridine-complex-2D-skeletal.png (en)
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- Sulfur-trioxide-pyridine-complex-3D-vdW.png (en)
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- 三氧化硫吡啶是一种有机化合物，化学式为C5H5NSO3。它是无色固体，可溶于极性有机溶剂。它是路易斯碱吡啶和路易斯酸三氧化硫的加合物。它主要用于提供三氧化硫，如由醇类制备硫酸酯： ROH + C5H5NSO3 → [C5H5NH]+[ROSO3]− 这个试剂可用于很多磺酰化反应，如呋喃的磺酰化反应。它在Parikh–Doering氧化反应中作为亲电试剂。 (zh)
- Sulfur trioxide pyridine complex is the compound with the formula C5H5NSO3. It is a colourless solid that dissolves in polar organic solvents. It is the adduct formed from the Lewis base pyridine and the Lewis acid sulfur trioxide. The compound is mainly used as a source of sulfur trioxide, for example in the synthesis of sulfate esters from alcohols: ROH + C5H5NSO3 → [C5H5NH]+[ROSO3]− It also is useful for sulfamations: R2NH + C5H5NSO3 → C5H5N + R2NSO3H (en)
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- Sulfur trioxide pyridine complex (en)
- 三氧化硫吡啶 (zh)
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