Synthesis of Spirofurooxindoles via Phenyliodine(III) Bis (trifluoroacetate) (PIFA)-Mediated Cascade Oxidative C--O and C--C Bond Formation.

Autor:	Sun, Desong, Zhao, Xiaoyuan, Zhang, Bobo, Cong, Ying, Wan, Xintong, Bao, Mingmai, Zhao, Xue, Li, Bing, Zhang-Negrerie, Daisy, Du, Yunfei
Předmět:	CARBON-carbon bonds OXINDOLES IODINE AMIDE derivatives RING formation (Chemistry)
Zdroj:	Advanced Synthesis & Catalysis; 4/17/2018, Vol. 360 Issue 8, p1634-1638, 5p, 2 Charts
Abstrakt:	Upon treatment with solely a hypervalent iodine reagent of phenyliodine(III) bis(trifluoroacetate) (PIFA), 3-(2-hydroxyphenyl)-3-oxo- N-phenyl propanamides and a series of its derivatives were conveniently converted to a class of undocumented spirofurooxindoles under mild conditions. Control experiments provided evidence that this spirocyclization process encompassed a cascade oxidative reactions involving the formation of a C-O bond prior to that of C-C bond. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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