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Palladium-catalysed Synthesis of 4-Heteroaryl and 4-Alkynyl-substituted Sydnones. 5-Oxido-3-phenyl-1,2,3-oxadiazol-3-ium-4-ylzinc Chloride

✍ Scribed by Valery N. Kalinin; Dmitrii N. Pashchenko; Fan Min She


Book ID
111729394
Publisher
Royal Society of Chemistry
Year
1992
Tongue
English
Weight
231 KB
Volume
2
Category
Article
ISSN
0959-9436

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Synthesis of 4-(5-aryl-1,3,4-oxadiazol-2
✍ Hung-Te Chang; Kuo-Chen Chiang; Fung Fuh Wong; Chun-Sheng Huang; Yang-Ming Liao; πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 150 KB

## Abstract The synthesis of potential fluorescent active 4‐(5‐aryl‐1,3,4‐oxadiazol‐2‐yl)phenylhydrazine derivatives was accomplished in three steps. The key step was the dehydration cyclization of 1,2‐diacylhydrazines to form the 1,3,4‐oxadiazole ring by use of acetic anhydride/perchloric acid mix