Metal-free phosphonation of benzoxazoles and benzothiazoles under oxidative conditions
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DOI: 10.1039/c7qo00318h
Abstract: An iodine promoted phosphonation of benzoxazoles and benzothiazoles with trialkyl phosphites was described. This reaction undergoes three steps: an addition procedure, followed by a radical oxidation, and an elimination reaction, provides an efficient method to… read more here.
Keywords: metal free; benzothiazoles oxidative; benzoxazoles benzothiazoles; free phosphonation ... See more keywords
Metal free montmorillonite KSF clay catalyzed practical synthesis of benzoxazoles and benzothiazoles under aerobic conditions
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DOI: 10.1080/00397911.2019.1665183
Abstract: Abstract An efficient method for the synthesis of benzoxazoles and benzothiazoles via montmorillonite KSF clay catalyzed condensation reaction between 2-aminophenols or 2-aminothiophenols and β-diketones is reported. The efficiency of the reaction reflects from the wide… read more here.
Keywords: synthesis benzoxazoles; clay catalyzed; ksf clay; benzoxazoles benzothiazoles ... See more keywords