New synthesis of isoxazoles and isothiazoles. A convenient synthesis of thioenaminones from enaminones

~65%

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~%

~%

~76%

~83%

~91%

~60%

~%

~%

~84%

~70%

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~60%

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~%

~88%

~62%

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~%

~%

~70%

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~63%

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