- Unusual Rearrangement in the Dehydration of Aroylated Butanodihydrazides
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Dehydration of N,N'-diaroylbutanodihydrazides 3a-f with phosphoryl chloride gave, unexpectedly, 2,5-diaryl-1,3,4-oxadiazoles 4a-f.However, dehydration of N,N'-dialkanoylbutanodihydrazides 1a-c afforded 5,5'-dialkyl-2,2'-(ethandiyl)-bis(1,3,4-oxadiazoles) 2a-c. Key Words: 1,3,4-Oxadiazole / Butanodihydrazides
- Tashtoush, Hasan,Al-Talib, Mahmoud,Odeh, Nedal
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p. 291 - 292
(2007/10/02)
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