{2-[2-((S)-5,8-Dimethoxy-1-methyl-1,2,3,4-tetrahydro-anthracen-1-yl)-ethyl]-[1,3]dioxan-2-ylethynyl}-triisopropyl-silane

(1S)-5,8-Dimethoxy-1-methyl-1-(3-oxopent-4-ynyl)-1,2,3,4-tetrahydroanthracene

2-[2-((S)-5,8-Dimethoxy-1-methyl-1,2,3,4-tetrahydro-anthracen-1-yl)-ethyl]-2-ethynyl-[1,3]dioxane

(S)-5,8-Dimethoxy-4-methyl-4-(2-{2-[(triisopropylsilanyl)-ethynyl]-[1,3]dioxan-2-yl}-ethyl)-3,4-dihydro-2H-anthracen-1-one

tert-Butyl-[(E)-2-((S)-5,8-dimethoxy-1-methyl-1,2,3,4-tetrahydro-anthracen-1-yl)-vinyloxy]-diphenyl-silane