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Org. Biomol. Chem., 2005, 3, 732 - 734, DOI: 10.1039/b418876d

Synthesis of the -hydroxydopa–-hydroxy--sulfinylnorvaline component of ustiloxins A and B

Luke Hunter, Malcolm D. McLeod and Craig A. Hutton

The dopa–sulfinylnorvaline component of ustiloxins A and B has been prepared using an Evans salen–Al-catalysed aldol reaction with a 6-mercaptoisovanillin derivative, followed by incorporation of the norvaline group and asymmetric oxidation of the resulting sulfide to give the corresponding sulfoxide.

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