Synthesis of 2-hydroxy-4,6-diphenylpyrimidines and their antimicrobial activity
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Thool,Ghiya
p. 522 - 524
(2007/10/02)
Reaction of 3-Iodoflavanones with Hydrazine Hydrate & Phenylhydrazine: Synthesis of Pyrazoles
3-Iodoflavanones (IIa-d), obtained from 2'-hydroxy-4-methoxychalkones and ICl in acetic acid, when reacted with N2H4 * H2O in ethanol at room temperature give 3,5-diarylpyrazoles (IIIa-d) while with C6H5NH-NH2 * HCl in pyridine, 3,5-diaryl-1-phenylpyrazoles (IVa-d) are obtained.The identity of III and IV has been confirmed by independent and unambiguous synthesis of these pyrazoles from 2-hydroxydibenzoylmethanes.
Joshi, M. G.,Wadokar, K. N.
p. 1089 - 1090
(2007/10/02)
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