Tetrahedron Letters p. 5485 - 5488 (1985)
Update date:2022-07-29
Topics:
Bruix, Marta
Castellanos, M. Luisa
Martin, M. Rosario
Mendoza, Javier de
5-Substituted 1-methylpyrazoles were easily obtained in good yields by the attack of nucleophiles (NaCN, H2O, EtSH, pyrazole, imidazole) to 2,6-dimethyl-1-(2-methylpyrazol-1-io)-4-phenylpyridinium bistetrafluoroborate (1b), without significant formation o
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