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Kinetics of the cycloaddition of maleic anhydride to arylaminomethylene derivatives of 3-methyl-1-phenylpyrazole-5-thione

✍ Scribed by I. Ya. Kvitko; I. I. Potanochkina; L. A. Brindza


Book ID
112359277
Publisher
Springer US
Year
1986
Tongue
English
Weight
398 KB
Volume
22
Category
Article
ISSN
0009-3122

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## Abstract This paper describes the synthesis of a new series of 6‐amino‐4‐aryl‐5‐cyanopyrazolo[3,4‐__b__]pyridines 4 and 4‐aryl‐5‐cyano‐6__H__‐pyrazolo[3,4‐__b__]pyridin‐6‐ones 5 from the reaction of 5‐amino‐3‐methyl‐1‐phenylpyrazole 1 with arylidene derivatives of malonodinitrile 2 and ethyl cya