3-tert-butyl 4-methyl (2R,4R)-2-tert-butyl-4-((S)-1-(4-methoxybenzyloxy)allyl)oxazolidine-3,4-dicarboxylate

(E)-3-(4-Methoxy-benzyloxy)-acryloyl chloride

(4S,5S)-4-(4-Methoxy-benzyloxy)-5-methyl-5-(4-methyl-pent-3-enyl)-dihydro-furan-2-one