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Title: Convenient synthesis of 5-oxo-5,6,7,8-tetrahydro-4H-1-benzopyrans using LiCl /Al2O3 under microwave irradiation
Authors: Mogilaiah, K
Chandra, A Vinay
Srivani, N
Kumar, K Shiva
Keywords: Dimedone (5,5-dimethyl-1,3-cyclohexanedione);Arylidenemalononitriles;Arylidenemalononitriles;Benzopyran;lithium chloride;Basic alumina;Solid support;Microwave irradiation
Issue Date: Feb-2013
Publisher: NISCAIR-CSIR, India
Abstract: 2-Amino-4-aryl-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-1-benzopyran-3-carbonitriles 3 have been synthesized conveniently by treating dimedone (5,5-dimethyl-1,3-cyclohexanedione) 1 with arylidenemalononitriles 2 in the presence of lithium chloride in dry media using basic alumina as solid support under microwave irradiation with very good yields.
Page(s): 306-308
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.52B(02) [February 2013]

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