重铬酸吡啶盐(Pyridinium dichromate,PDC),分子式C5H4N·H2Cr2O7,类似PCC一样的温和氧化剂,室温下为橙黄色晶体,用来把醇有限度地氧化为醛。它由E.J.Corey发明。试剂本身呈弱酸性,所以常跟缓冲剂比如乙酸钠配合使用。
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