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A New Route to Pyrazolo[3,4-e]-1,2,4-triazines

✍ Scribed by Sadek, Kamal Usef ;Abouhadid, Khalid ;Elghandour, Ahmed Hafez Hussein


Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
194 KB
Volume
1989
Category
Article
ISSN
0947-3440

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## Abstract magnified image A simple and high yielding preparation of pyrazolo[4,3‐__e__][1,2,4]triazines and 4‐cyano‐3‐methyl‐1‐phenylpyrazole derivatives from corresponding phenylhydrazones of 5‐acyl‐1,2,4‐triazines by melt under acidic medium and by thermal heating, respectively.