Synthesis and spectroscopic studies of some heterocyclic compounds. Reaction of 3‐aryl‐1‐phenyl‐2‐propen‐1‐ones with ethyl phenylacetate
作者:
Yousuf A. Al‐Farkh,
Farouk H. Al‐Hajjar,
Hayat S. Hamoud,
期刊:
Journal of Heterocyclic Chemistry
(WILEY Available online 1979)
卷期:
Volume 16,
issue 1
页码: 1-6
ISSN:0022-152X
年代: 1979
DOI:10.1002/jhet.5570160101
出版商: Wiley‐Blackwell
数据来源: WILEY
摘要:
Abstract3‐Aryl‐1‐phenyl‐2‐propen‐1‐one I reacted with ethyl phenylacetate (II) in the presence sodium ethoxide at room temperature to give the corresponding ethyl β‐aryl‐γ‐benzoyl‐α‐phenyl‐butyrate III. However,' when the same ketones were refluxed with ethyl phenylacetate, they gave the corresponding 4‐aryI‐3,6‐diphenyl‐3,4‐dihydro‐2H‐pyran‐2‐ones IV. The reactions of III and IV with hydrazine hydrate afforded the corresponding hydrazones VI and 2‐pyridones VIII, respectively. The structure and configuration of the products
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