A highly oxygen-functionalized cyclohexenone 2, the AB ring fragment for th
e aquayamycin synthesis, was efficiently synthesized via stereoselective ad
dition of allylzinc bromide to ketone 3a which, in turn, was available from
the optically pure cyclohexane 1,2,3-triol derivative 5. (C) 2000 Elsevier
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