Rhodium(III)-catalyzed synthesis of indanones via C–H activation of phenacyl phosphoniums and coupling with olefins,Organic Chemistry Frontiers

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Rhodium(III)-catalyzed synthesis of indanones via C–H activation of phenacyl phosphoniums and coupling with olefins
Organic Chemistry Frontiers ( IF 4.6 ) Pub Date : 2017-07-20 00:00:00 , DOI: 10.1039/c7qo00510e
Yunyun Li _{1,

2,

3,

4,

5} , Xifa Yang _{1,

2,

3,

4,

5} , Lingheng Kong _{1,

2,

3,

4,

5} , Xingwei Li _{1,

2,

3,

4}

Affiliation

Phosphonium ylide acts as an efficient bifunctional directing group in Rh(III)-catalyzed C–H activation of arenes and oxidative coupling with activated olefins, leading to facile construction of indanones via a sequence of oxidative olefination and carboannulation. The phosphonium moiety functions as an oxophilic group, and dephosphination triggers a nucleophilic cyclization.

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