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Reactions of selenium dichloride and dibromide with unsaturated ethers. Annulation of 2,3-dihydro-1,4-oxaselenine to the benzene ring

✍ Scribed by Vladimir A. Potapov; Maxim V. Musalov; Svetlana V. Amosova


Book ID
113929684
Publisher
Elsevier Science
Year
2011
Tongue
French
Weight
439 KB
Volume
52
Category
Article
ISSN
0040-4039

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The complex reaction of acetohydrazides
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## Abstract The reaction of 2‐cyanoacetohydrazide (1) and 2‐(ethoxycarbonyl)acetohydrazide (26) with unsaturated 1,3‐diketones leading with moderate yields to 1,2‐diazepinones (3, 23, 24) and pyrazolo[3,4‐__b__]pyridines (5, 15, 20, 25) together with the corresponding acetohydrazones have been stud