Abstract
The reactivity of 1-(4-chlorophenyl)-3,5-diamino-1,2,4-triazole
in multicomponent reactions with pyruvic acid and aldehydes and
in two-component reactions with arylidenepyruvic acid was studied.
The unusual direction of these treatments leading to the formation
of unprecedented 3-[5-amino-1-(4-chlorophenyl)-1,2,4-triazol-3-ylamino]-5-arylfuran-2-ones
instead of triazolopyrimidine or triazolylpyrrolone derivatives
was found and discussed.
Key words
heterocycles - multicomponent reaction - furans - nucleophiles - regioselectivity
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