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Substrate scope of [3+2]‐cycloadditions for the synthesis of 8‐oxabicyclo[3.2.1]octanes 8: 0.4–2.7 mmol 5, dipolarophile (2.7 equiv); [a] Scale‐up: 7.87 mmol (−)‐5 a were employed to yield 1.98 g of (+)‐8 a; [b] Major diastereomer shown. [c] Combined isolated yield of two diastereomers.
