Tetrahedron letters

N-fluoropyridinium triflate and its analogs, the first stable 1: 1 salts of pyridine nucleus and halogen atom

T Umemoto, K Tomita

文献索引：Umemoto, Teruo; Tomita, Kyoichi Tetrahedron Letters, 1986 , vol. 27, # 28 p. 3271 - 3274

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被引用次数: 107

摘要

Abstract N-Fluoropyridinium salts having non-nucleophilic counter-anions and their derivatives were synthesized by treating pyridine-F 2 adducts with strong Brønsted acids, their salts or trimethylsilyl esters, or Lewis acids, or by allowing F 2 to react with N- trimethylsilylpyridinium salts.