Compound 22

2-bromo-3-((1R,2S,3S)-2-hydroxy-3-((R)-8-(methoxymethoxy)-1-methyl-1,3-dihydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-c][1,2]oxaborol-3-yl)-2-methyl-1-((triisopropylsilyl)oxy)butyl)-5,6-dimethoxyphenol

From: Mimicking oxidative radical cyclizations of lignan biosynthesis using redox-neutral photocatalysis