SCHEDULED MAINTENANCE
4,5-Dihydro-2-(1-alkyl- or 1-aryl-sulfinylnaphthalen-2-yl)-4,4-dimethyloxazoles 3–6 undergo substitution reactions on treatment with Grignard reagents; the optically active sulfoxide 14 on treatment with 1-naphthylmagnesium bromide furnished the 1,1-binaphthyl 15 in 60% enantiomeric excess (e.e.).
R. W. Baker, G. R. Pocock and M. V. Sargent, J. Chem. Soc., Chem. Commun., 1993, 1489 DOI: 10.1039/C39930001489
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