Unusual rearrangement in the dehydration of aroylated butanodihydrazides

H Tashtoush, M Al??Talib, N Odeh

Index: Liebigs Annalen der Chemie, , # 3 p. 291 - 292

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Citation Number: 4

Abstract

... 0' c:: 0 Ar C6H5 4-CH30C6H4 4-FCsH4 2-naphthyl Liebigs Ann. Chem. ... 129.0, 126.4, 123.2 (Ph). 2.5-Bis i4-riiethoxyphenq~li-1,3,4-oxadiazole (4 b): Yield 92%, m. p. 160-161 C (ref.['] 161-162'C). - 'H NMR (CDC13): 6 = 8.02 (m, 4H, Ph), 7.00 (m, 4H, Ph), 3.75 (s, 6H, OCH3). ...