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Org. Biomol. Chem., 2005, 3, 3471 - 3472, DOI: 10.1039/b509129b

Lactone-free ginkgolides via regioselective DIBAL-H reduction

Hideki Ishii, Sergei V. Dzyuba and Koji Nakanishi

The lactone rings of ginkgolide A are converted into corresponding tetrahydrofuran moieties via DIBAL-H reduction followed by deoxygenation of the formed lactols with Et3SiH–BF3·Et2O to produce a series of lactone-free ginkgolides.

Graphical abstract image for this article (ID: b509129b)