Journal of Heterocyclic Chemistry p. 1477 - 1480 (1994)
Update date:2022-08-05
Topics:
Vicentini
Veronese
Guarneri
Manfrini
Giori
Guccione
Thiation of N-(1-tert-butyl-3-methylpyrazol-5-yl)carboxamides 2 with the Lawesson reagent afforded the corresponding thiocarboxamides 3. Heating of 3 in formic acid gave the N-dealkylated thiocarboxamides 4 which were cyclized into 4H-pyrazolo[1,5-c][1,3,
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