3-Phenyl-1-(thiophen-2-yl)prop-2-en-1-one obtained by Claisen-Schmidt condensation of 2-acetyl thiophene with benzaldehyde was converted into 2,3-dibromo-3-phenyl-1-(thiophen-2-yl)propan-1-one, which on treatment with various thiosemicarbazides in the presence of triethylamine in absolute ethanol, yielded the corresponding hydroxy pyrazolines 3a-h. All the compounds were characterized by IR, (1)H NMR, and (13)C NMR spectra.
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LLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, IndiaLLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, India
Bansal, E
Srivastava, VK
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LLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, IndiaLLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, India
Srivastava, VK
Kumar, A
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LLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, IndiaLLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, India
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LLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, IndiaLLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, India
Bansal, E
Srivastava, VK
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LLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, IndiaLLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, India
Srivastava, VK
Kumar, A
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LLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, IndiaLLRM Med Coll, Dept Pharmacol, Div Med Chem, Meerut 250004, Uttar Pradesh, India