All articles of this category Hypervalent iodine oxidation of flavanones 1a-g (2-aryl-2H-1-benzopyran-4(3 H )-ones with [hydroxy(tosyloxy) iodo]benzene leads to a 1,2-aryl shift, providing a new useful route to isoflavones 3a-g (3-aryl-4 H -1-benzopyran-4-ones).
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Prakash et al. (1990) studied this question.
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