[1R-(1β(R*),3aα,4β,7aβ)]octahydro-1-(5-hydroxy-1,5-dimethylhexyl)-7a-methyl-4H-inden-4-one an intermediate in the manufacture of 1,25 dihydroxy vitamin D₃ is prepared by reacting [1R-(1β(R*),3aα,7aβ)]octahydro-1-(1,5-dimethylhexyl)-7a-methyl-4H-inden-4-ol or [1R-(1β(R*),3aα, 7aβ)]octahydro-1-(1,5-dimethylhexyl)-7a-methyl-4H-inden-4-one with sodium metaperiodate and ruthenium chloride hydrate.
[1R-(1β(R*),3aα,4β,7aβ)]八氢-1-(5-羟基-1,5-二甲基己基)-7a-甲基-4H-
茚-4-酮是生产 1,25-二羟基
维生素 D₃ 的中间体,由[1R-(1β(R*),3aα、7aβ)]八氢-1-(1,5-二甲基己基)-7a-甲基-4H-
茚-4-醇或[1R-(1β(R*),3aα, 7aβ)]八氢-1-(1,5-二甲基己基)-7a-甲基-4H-
茚-4-酮与偏
碘酸钠和
氯化
钌水合物反应制备。