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عنوان
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1. The condensation of (chlorocarbonyl)phenyl ketene with 1,3-Dinucleophiles.II. preparation of 2-hydroxy-3-phenyl-4H-pyrimido[2,1-b][1,3]benzothiazol-4-ones and thioxo dihydro-4,6-(1H,5H)pyrimidinones.
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چکیده
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A simple one-pot and efficient method is described for the synthesis of 2-hydroxy-3-phenyl-4H-pyrimido[2,1-b][1,3]benzothiazol-4-one and thioxodihydro-4,6(1H,5H)-pyrimidinone derivatives via the reaction of (chlorocarbonyl)phenylketene with 1,3-dinucleophiles such as 2-aminobenzothiazoles and N-arylthioureas respectively. This method offers a simple and convenient route to prepare the title compounds in good to excellent yields in a short reaction time
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