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4-Pyrrolidinylpyridine

4-Pyrrolidinylpyridine or 4-pyrrolidinopyridine (PPY) is an organic compound with the formula (CH2)4NC5H4N. The molecule consists of a pyrrodinyl group ((CH2)4N-)…

4-Pyrrolidinylpyridine or 4-pyrrolidinopyridine (PPY) is an organic compound with the formula (CH2)4NC5H4N. The molecule consists of a pyrrodinyl group ((CH2)4N-) attached via N to the 4-position of pyridine. It is a white solid. The compound has attracted interest because it (pKa = 9.58) is more basic than 4-dimethylaminopyridine (pKa = 9.41). It is a popular base catalyst.

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