(–)-Steganone was formally synthesized by using the diastereoselective ortho-lithiation of a chiral acetal of tricarbonyl(3,4,5-trimethoxybenzaldehyde)chromium and subsequent cross-coupling of optically pure tricarbonyl(2-bromo-3,4,5-trimethoxybenzyl alcohol)chromium with arylboronic acid as key steps.
M. Uemura, A. Daimon and Y. Hayashi, J. Chem. Soc., Chem. Commun., 1995, 1943 DOI: 10.1039/C39950001943
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