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- W2553857691 abstract "Two tunable arylative cyclizations of cyclohexadienone-containing 1,6-enynes are reported via rhodium(III)-catalyzed C-H activation of O-substituted N-hydroxybenzamides. The use of different O substituents, i.e. O-Piv and O-Me, on the directing group allows the formation of either tetracyclic isoquinolones through an (c)-Michael addition process or hydrobenzofurans through a (N)Michael addition process. Mechanistic investigations of these two cascade reactions clearly indicated that the C-H bond cleavage process was involved in the turnover-limiting step. Furthermore, the cyclization products could be subjected to various transformations for elaborating the pharmaceutically and synthetically valuable potential. This is the first example of a rhodium(III)-catalyzed arylative cyclization reaction of 1,6-enynes, and the results extend the application realm of Cp*Rh-III-catalyzed C-H activation cascade reactions." @default.
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- W2553857691 date "2014-01-01" @default.
- W2553857691 modified "2023-09-23" @default.
- W2553857691 title "Tunable Arylative Cyclization of 1,6-Enynes Triggered by Rhodium(III)-Catalyzed C-H Activation" @default.
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