M. Heravi, N. Nami, N. Seifi
Mar 1, 2006
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0
Influential Citations
13
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Journal
Phosphorus, Sulfur, and Silicon and the Related Elements
Abstract
Ethyl(ethoxymethylene)cyanoacetate and ethoxymethylene malononitrile were synthesized from the reaction of malononitrile or ethylcyanoacetate with triethyl orthoformate or orthoacetate in N, N-dimethylacetamide under microwave irradiation. In a similar manner, substituted pyrazoles were synthesized from the reaction of ethyl (ethoxymethylene)cyanoacetate and ethoxymethylene malononitrile with phenylhydrazine. These pyrazoles were converted to pyrazolo[3, 4-d]thiopyrimidines upon treatment with arylisothiocyanate and thiourea under microwave irradiation.