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Neue acetonylsubstituierte Azole II. 3-Acetonyl-1,2,4-oxadiazole, 2-Acetonyl-1,3,4-oxadiazole und 5-Acetonyl-1,2,4-thiadiazole

✍ Scribed by Börries Kübel

Book ID
118288577
Publisher
Springer Vienna
Year
1982
Tongue
English
Weight
463 KB
Volume
113
Category
Article
ISSN
0026-9247

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Über die Ringtransformation am 5-Acetony
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**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

2-Methyl-5-[3-(4-nitrophenyl)-1,2,4-oxad
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The title compound, C~12~H~9~N~5~O~3~S~2~, was synthesized __via__ condensation of 1,2,4-oxadiazole chloromethane with 1,3,4-thiadiazolethiol. The benzene and oxadiazole rings are almost coplanar, making a twist angle of only 4.6 (3)°, but the thiadiazole ring deviates from the molecular plane, maki

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In the title compound, C 13 H 12 N 4 OS 2 , the central oxadiazole ring makes dihedral angles of 8.9 (2) and 89.6 (3) with the benzene and thiadiazole rings, respectively.