Comprehensive Summary Herein, we wish to report a novel photocatalytic ring opening reaction of silacyclobutanes (SCBs) with alkenes using hexafluoroisopropanol (HFIP) as the promoter. The protocol is mild and green, and is capable of accommodating a wide range of active alkenes, allowing for the facile synthesis of challenging silanols with a tetraorganosilicon stereocenter in good yields in combination with the following hydrolysis. Notably, this strategy could be extended to the reaction with ethynylbenziodoxolone.
Guo et al. (Fri,) studied this question.
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