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Published in 2017 at "Beilstein Journal of Organic Chemistry"
DOI: 10.3762/bjoc.13.90
Abstract: A synthesis of tetrasubstituted pyrazoles containing two, three or four pyridinyl substituents is described. Hence, the reaction of 1,3-dipyridinyl-1,3-propanediones with 2-hydrazinopyridine or phenylhydrazine, respectively, affords the corresponding 1,3,5-trisubstituted pyrazoles. Iodination at the 4-position of the…
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Keywords:
tetrasubstituted pyrazoles;
pyrazoles containing;
pyridinyl substituents;
synthesis tetrasubstituted ... See more keywords