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A Convenient Synthesis of Some Novel Pyrazole Derivatives.

✍ Scribed by El-Saied A. Aly; Mohamed A. El-Borai; Mohamed A. Barren


Publisher
John Wiley and Sons
Year
2004
Weight
23 KB
Volume
35
Category
Article
ISSN
0931-7597

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Synthesis of some new pyrazole and pyraz
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## Abstract magnified image A series of pyrazolo [3,4‐d] pyrimidine, pyrazolo [1,5‐a] pyrimidine, and pyrazolyl triazoles have been prepared __via__ reaction of ethyl 5‐amino‐3‐phenylpyrazole‐4‐carboxylate with isothiocyanic esters, Ξ±,β‐unsaturated nitriles, and some active methylene reagents. J. H