Abstract

Iodo-, bromo-, chloro-etherification and oxymercuration–demercuration of hexahydropentalene 1,3-dimethanol were regioselectively realized with formation of pentalenofurane compounds in good yields. The corresponding hexahydropentaleno diacid and its monoester react regioselectively with MCPBA to give two γ-lactones. Haloetherification of the diacid also regioselectively gives halogenolactones in good yield. A new method for synthesis of a bislactone was developed in better yield (79%) than that presented in the literature (58%).

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