2023
DOI: 10.1021/acs.joc.3c01327
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I2-DMSO-Mediated Transannulation of Benzo[d]isoxazol-3-amine: Direct Access to 2,4,5-Substituted Pyrimidine Derivatives

Abstract: An I2-DMSO-mediated multicomponent [3+1+2] cascade annulation reaction using aryl methyl ketones, enaminones, and benzo­[d]­isoxazol-3-amine as substrates has been developed. This metal-free reaction involved the transannulation of benzo­[d]­isoxazol-3-amines with the formation of two C–N bonds and a C–C bond in one pot. Notably, a pyrimidine ring with a 1,4-dicarbonyl scaffold could efficiently transform into a pyrimido­[4,5-d]­pyridazine skeleton. The phenolic hydroxyl group of the target product could under… Show more

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Cited by 4 publications
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