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Title: Synthesis of substituted and unsubstituted 2,4-diaryl-5-oxo-5,6,7,8-tetrahydro-2-chromens
Authors: Ahmed, M Giasuddin
Ahmed, Syeda Asghari
Romman, U K R
Touchy, A Sultana
Badal, Mizanur Rahman
Hossain, Mohammad Awlad
Uddin, Md Khabir
Issue Date: Mar-2005
Publisher: CSIR
Series/Report no.: <b>Int</b>.<b>Cl</b>.<b><sup>7</sup> C 07 D 311/00</b>
Abstract: Anhydrous zinc chloride catalysed reactions of arylidene­acetophenones <b style="">2a </b>and<b style=""> 2c-e</b> give 2, 4-diaryl-5-oxo-5,6,7,8-tetra­hydro-2-chromens <b style="">4a-d</b> with 1,3-cyclohexanedione respectively. Under similar conditions arylideneacetophenones <b style="">2b, 2d </b>and<b style=""> 2f</b> react with 5,5-dimethyl-1,3-cyclohexanedione (dimedone) to yield 7,7-dimethyl-2,4-diaryl-5-oxo-5,6,7,8-tetrahydro-2-chromens <b style="">4e-g</b>.
Description: 622-624
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(03) [March 2005]

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