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Neue acetonylsubstituierte Azole I. 5-Acetonyl-1,2,4-oxadiazole

✍ Scribed by Börries Kübel


Book ID
104951183
Publisher
Springer Vienna
Year
1982
Tongue
English
Weight
476 KB
Volume
113
Category
Article
ISSN
0026-9247

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Über die Ringtransformation am 5-Acetony
✍ Dr. Harald Rabe; Prof. GÜNter Westphal 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 336 KB

**About Ringtransformation of 5‐Acetonyl‐2‐amino‐1,3,4‐oxadiazoles** Treatment of **1** with hydrazine derivatives gives first of all the 5‐acetonyl‐2‐amino‐1,3,4‐oxadiazole‐hydrazones **2** which can be isolated partially. In the second reaction step ringtransformation to the pyrazoles **3** takes