Abstract

The double cycloaddition of 1,1-bis(3,5-dimethylfur-2-yl)ethane to diethyl (E,E)-4-oxohepta-2,5-diene-1,7-dioate gave a single bis-adduct, the hydroboration of which with IpcBH(2) allows the creation of optically active polycyclic systems that are potential precursors of long-chain polypropionate fragments. (C) 1996 Published by Elsevier Science Ltd

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