(2E,4R)-4-[(1R,3aS,4E,7a)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl

intermediate g6/(2e,4r)-4-[(1r,3as,4e,7ar)-4-[(2e)-2-[(3s,5r)-3,5-bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1h-inden-1-yl]-1-cyclopropyl-2-penten-1-one ; (2e,4r)-4-[(1r,3as,4e,7ar)-4-[(2e)-2-[(3s,5r)-3,5-bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1h-inden-1-yl]-1-cyclopropyl-2-penten-1-one ; 2-penten-1-one, 4-[(1r,3as,4e,7ar)-4-[(2e)-2-[(3s,5r)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1h-inden-1-yl]-1-cyclopropyl-, (2e,4r)- ; 1(s),3(r).20(r)-bis(tert-butyldimethylsilyloxy)-20-(3'-cyclopropyl-3'-oxyprop-1'(e)-enyl)-9,10-secopregna-5(e),10(19)triene ; (5e)-1,3-bis-o-(tert-butyldimethylsilyl)-24-oxo-calcipotriene ; (1a,3b,5e,7e,22e)-24-cyclopropyl-1,3-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9,10-secochola-5,7,10(19),22-tetraen-24-one ; (r,e)-4-((1r,3as,7ar,e)-4-((e)-2-((3s,5r)-3,5-bis(tert-butyldimethylsilyloxy)-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1h-inden-1-yl)-1-cyclopropylpent-2-en-1-one