Journal
SYNTHESIS-STUTTGART
Volume -, Issue 6, Pages 860-866Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0030-1259444
Keywords
hypervalent iodine; oxidative coupling; phenolic coupling; spirooxindoles; iodobenzene
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Funding
- National Natural Science Foundation of China [20772053]
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Phenyliodine(III) bis(trifluoroacetate) (PIFA) can effect the intramolecular oxidative coupling of substituted 4-hydroxyphenyl-N-phenylbenzamides. The transformations could be realized in a catalytic manner by using iodobenzene as catalyst and m-chloroperoxybenzoic acid or urea center dot H2O2 as terminal oxidant. This reaction constitutes an efficient method for the synthesis of spirooxindoles.
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