Compound 10a

(5R, 6S)-5-ethyl-5-hexyl-3-((S)-1-hydroxy-3-phenylpropan-2-yl)-6-(4-methoxyphenyl)-4-methylene-1, 3-en-oxazinan-2-one

From: A unique approach to aldol products for the creation of all-carbon quaternary stereocentres