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Title: A convenient one pot synthesis of substituted and unsubstituted 2, 4-diaryl-5-oxo-5,6,7,8-tetrahydro-2-chromens
Authors: Ahmed, M G
Ahmed, S A
Romman, U K R
Sultana, T
Hena, M A
Kiyooka, S
Issue Date: Feb-2002
Publisher: NISCAIR-CSIR, India
Abstract: Anhydrous zinc chloride catalysed reactions of arylideneacetophenones 2a-c give 2, 4-diaryl-5-oxo-5, 6, 7, 8-tetrahydro-2-chromens 4a-c with 1, 3-cyclohexanedione. Under similar conditions arylideneacetophenones 2a-b and 2d-f react with 5, 5-dimethyl-1, 3- cyclohexanedione (dimedone) yielding 7, 7-dimethyl- 2, 4-diaryl-5-oxo-5, 6, 7, 8- tetrahydro-2-chromens 4d -h.
Page(s): 368-371
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.41B(02) [February 2002]

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