(E)-methyl 3-(3-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[d][1,3]dioxin-5-yl)phenyl)acrylate

methyl 3'-((4R,5R)-5-((5R)-5-((tert-butyldimethylsilyl)oxy)-1-hydroxyhex-2-yn-1-yl)-2,2-dimethyl-1,3-dioxoran-4-yl)-5-methoxy-3-(methoxymethoxy)-[1,1'-biphenyl]-2-carboxylate