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Epoxidation of 2-aryl-4-methyl-3,6-dihydropyrans and reaction of the products with piperidine

✍ Scribed by U. G. Ubatullin; L. V. Syurina; S. A. Vasil'eva; T. B. Semenov; M. G. Safarov

Book ID
112348568
Publisher
Springer US
Year
1984
Tongue
English
Weight
235 KB
Volume
20
Category
Article
ISSN
0009-3122

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## Abstract New 4‐Aryl‐6‐methyl‐8‐phenyl‐2,3‐dihydropyrazolo[3,4‐__b__]diazepines and 4‐aryl‐8‐methyl‐6‐phenyl‐2,3‐dihydropyrazolo[4,3‐__b__]diazepines were obtained from the reaction of 4,5‐diamino‐3‐methyl‐1‐phenylpyrazole 1 with one equivalent of the 3‐dimethylaminopropiophenones 2 in absolute e