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Syntheses of 1-phenyl-2-(3,4-dihydro-4-quinazolinylidene)ethanone and related ethanones

✍ Scribed by Sund, Eldon H.; Beall, Charles E.; Borgfeld, Paul A.


Book ID
126226914
Publisher
American Chemical Society
Year
1983
Tongue
English
Weight
233 KB
Volume
28
Category
Article
ISSN
0021-9568

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1-[4,5-Dihydro-5-phenyl-3-(p-tol­yl)pyra
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The title compound, C 18 H 18 N 2 O, was prepared by the reaction of 3-phenyl-1-(p-tolyl)prop-2-en-1-one with hydrazine hydrate in acetic acid. The pyrazole ring is in an envelope conformation. The crystal packing is stabilized by van der Waals forces.