The reaction of fluorinated chalcones 2 and 6-fluorobenzothiazol-2-ylhydrazine 1 in
presence of catalytic amount of glacial acetic acid in refluxing ethanol yields 1-(6 …

3, 5-Dialkyl-4-hydroxybenzylhydrazine 1 reacted with hexafluoroacetylacetone and
trifluoroacetylacetone yielding the pyrazoles 2 bearing trifluoromethyl and/or methyl …

We report new method for preparation of 2‐amino‐5‐aryl‐1, 3, 4‐thiadiazoles by reaction of
arylaldehyde with thiosemicarbazide and in the next step via cyclization of 2‐aryl …

A straightforward, two-step synthesis of fluoro substituted chromeno [2, 3-c] pyrazol-and [1]
benzothieno [2′, 3′: 5, 6] pyrano [2, 3-c] pyrazol-4 (1H)-ones, respectively, is presented …

A convenient one-pot method for the synthesis of thiazolyl-pyrazolones was described in
excellent yields. Reaction of 3-(2-bromoacetyl)-4-hydroxy-6-methyl-2 H-pyran-2-one with …

4-(p-Chloro)phenyl-1,2,4-triazole-3,5-dione as a novel and reusable reagent for the
oxidation of 1,3,5-trisubstituted pyrazolines under mild conditions - ScienceDirect Skip to …

Abstract Ethyl 3-acetyl-1, 5-diphenyl-1$ H $-pyrazole-4-carboxylate reacts with a variety of
arylaldehydes by grinding method in the presence of a catalytic amount of sodium hydroxide …

Reaction of 2-chloropyridine-5-acetic acid hydrazide 1 with aroyl isothiocyanates 2a-e yields
4-aroyl-1-(2-chloropyridine-5-acetyl) thiosemicarbazides 3a-e. The cyaclization of 3a-e with …

Abstract 1-(2-(4, 5-dihydro-3-(5-methyl-1-phenyl-1H-1, 2, 3-triazol-4-yl)-5-phenylpyrazol-1-
yl)-4-subs-tituted-thiazol-5-yl)-2-phenyldiazene (4) and substituted pyridines (5-12) were …

The reaction between N, 2-diarylhydrazinecarbothioamide (generated from arylhydrazines
and aryl isothiocyanates) and malononitrile in the presence of iodine/triethylamine in N, N …