Tetrahedron Letters p. 1527 - 1530 (1995)
Update date:2022-07-29
Topics:
Shi, Xifeng
Ishihara, Takashi
Yamanaka, Hiroki
Gupton, John T.
β-Fluorovinamidium salt (2), readily prepared from N-(2,3,3-trifluoro-1-propenyl) trimethyl-ammonium iodide (1) and diethylamine, reacted with bifunctional hetero nucleophiles such as amidine and guanidine hydrochlorides in the presence of a base to afford regiospecifically monofluoronated pyrimidines 4 in good yields.The one-pot procedure starting from 1 was applicable for synthesizing heterocyclic compounds 4 in almost comparable yields.
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