YLIDE-INDUCED YLIDE FORMATION: A THERMAL REACTION AND A DOUBLE CYCLOADDITION REACTION OF TRIAZOLOPYRIDINIUM YLIDES
1-Alkyltriazolopyridinium salts (2) were synthesized by the reaction of triazolopyridine (1) with alkyl halides in dry acetone under reflux.The thermal reaction of ylides (3) gave 2-cyanamidopyridines (4) or 2-oxazolylpyridine
Hori, Mikio,Kataoka, Tadashi,Shimizu, Hiroshi,Imai, Eiji,Yokomoto, Masaharu
p. 2563 - 2570
(2007/10/02)
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