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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 3
BKCSDE 32(3)
March 20, 2011

Title	Eco-friendly Solventless Synthesis of 5-Indolylpyrimido[4,5-d]pyrimidinones and Their Antimicrobial Activity
Author	Ragini Gupta*, Anshu Jain, Rahul Joshi, Meenakshi Jain
Keywords	5-Indolylpyrimido[4,5-d]pyrimidinones, Microwave irradiation on solid support, Grindstone technology, Biginelli reaction
Abstract	A series of 5-indolylpyrimido[4,5-d]pyrimidinones (4a-h) were obtained by multi-component reaction of 3- formylindole (1), thiobarbituric acid/barbituric acid (2) and thiourea/urea (3) under microwave irradiation in dry media. Secondly, grinding together neat reactants also gave the titled compounds in good yields. All the synthesized compounds have been characterized on the basis of elemental analyses and spectral data (IR, ¹H NMR and Mass). Representative compounds were also evaluated for their antimicrobial activity against Rhizopus stolonifer, Fusarium oxysporum, Escherichia coli, and Pseudomonas aeruginosa at different concentrations. Some of the compounds showed promising activity.
Page	899 - 904
Full Text	PDF

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