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|Section2= |Section3= }} 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:〔Thomas T. Tidwell "Sulfur Trioxide–Pyridine" Encyclopedia of Reagents for Organic Synthesis 2001, John Wiley & Sons. . Article Online Posting Date: April 15, 2001〕 :ROH + C5H5NSO3 → ()+()− It is also an activating electrophile in a Parikh-Doering oxidation. ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「sulfur trioxide pyridine complex」の詳細全文を読む スポンサード リンク
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