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Substrate scope of pivaloyl‐directed C7‐borylation.
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Conditions A=1. 2.2 equiv BBr3 in DCM. 2. +pinacol/Et3N. Conditions B=2.2 equiv BBr3 in DCM, 2. +pinacol/Et3N 3. +MeOH, 60 °C. Yields are of isolated products post column chromatography. [a]=using 1 equiv BBr3.
