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Reactions of acylium salts with aryl nitriles. A convenient Synthesis of Aryl Substituted bis- and tris-1, 3, 5-oxadiazinium salts

โœ Scribed by Dr. Mahmoud Al-Talib; Hasan Tashtoush; Mohammad Al-Omari


Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
377 KB
Volume
333
Category
Article
ISSN
1615-4150

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The reaction of dibenzylideneacetones or E,E-cinnamylidene-acetophenones and hydrazine hydrate provided 1-propionyl derivatives of 5-aryl-3-styryl-2-pyrazolines and 3-aryl-5-styryl-2-pyrazolines. These unsaturated ketones afforded 1-(2-carboxyphenyl) or 1-(4-carboxyphenyl) 5-aryl-3-styryl-2-pyrazoli