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Regioselective synthesis of 3(or 5)-styryl-/(4-aryl-1,3-butadienyl)-/(6-aryl-1,3,5-hexatrienyl)-5(or 3)-(methylthio)isoxazoles and pyrazoles via α-oxoketene dithioacetals |
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| Authors: | M L Purkayastha B Patro H Ila H Junjappa |
| Abstract: | The regioselective synthesis of the title isoxazoles and pyrazoles through cyclocondensation of oxoketene dithioacetals with either hydroxylamine or hydrazine hydrate under controlled conditions is reported. |
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