81522-68-1

[3S-(1Z 5b)]-[2-{3 5-bis-{[(1 INTERMEDIATEFORVITAMIND A ring double TBS intermediate [3S-(1Z,3a,5b)]-[2-[3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-... 1-diMethylethyl)-diMethylsilyl]-oxy}-2-Methylenecyclohexylidene}-ethyl] -diphenyl phosphine oxide ((Z)-2-((3R,5S)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphineoxide ((Z)-2-((3S,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphine oxide (2Z)-2-[(3S,5R)-3,5-bis(tert-butyldimethylsilanyloxy)-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide oxide,[(2Z)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl- [3S-(1Z,3a,5b)]-[2-[3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphineoxide [(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine Oxide Phosphine oxide, [(2Z)-2-[(3S,5R)-3,5-bis[[(1,1-diMethylethyl)diMethylsilyl]oxy]-2-Methylenecyclohexylidene]ethyl]diphenyl- 3s-(1z,3a,5b)-[2-[3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexylidene]-ethyl]diphenyl-phosphineoxide PHOSPHINEOXIDE,[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)] (3S-(1Z,3a,5b))-(2-(3,5-bis-((1.1-dimethylethy)-dimethylsilyl)-oxy)-2-methylenecyclohexylidene)-ethy)diphenyl phosphine oxide 3S-(1Z,3A,5B)]-[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILYL]OXY]-2-METHYLENE-CYCLOHEXYLIDENE]-ETHYL]DIPHENYL-PHOSPHINE OXIDE Phosphineoxide, [2-[3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3S-(1Z,3a,5b)]- PHOSPHINE OXIDE, [2-[3,5-BIS [[(1,1-DIMETHYLETHYL) DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)]