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In this work, new compounds containing 1,2,4-oxadiazole units were synthesized, characterized,
and their crystalline liquid qualities were also studied. The synthesis of compound [I ] starts with the reaction
4-hydroxybenzonitrile with phthaloyl chloride to yield nitrile compound. Then the later compound reacted
with hydroxyl amine hydrochloride to obtain compound [II]. Next, 1,2,4-Oxadiazole compounds [III]a-c and
[IV] were obtained by the reaction between compound [II] with various acid chlorides(acetyl chloride,
chloroacetyl chloride, benzoyl chloride) and phthaloyl chloride in pyridine, respectively. FTIR, 1HNMR and
mass spectroscopy were used to analyze the synthesized compounds Spectroscopic investigation verified the
synthetic
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