203392-58-9

Upstream product

• 203392-55-6 (1E/Z)-1-(tert-butylthio)-4-[(4S)-2,2,5,5-tetramethyl-1,3-dioxolan-4-yl]-1-trimethylsilyloxy-but-1-ene 
• 203392-54-5 S-tert-butyl 4-[(3S)-2,2,5,5-tetramethyl-1,3-dioxolan-4-yl]butanethioate 
• 203392-53-4 (S)-6-Hydroxy-7,7-dimethyl-oxepan-2-one 
• 66613-24-9 (phenylsulfanyl)methyl vinyl ketone 

Downstream Products

• 203392-61-4 Toluene-4-sulfonic acid (R)-2-((1R,7aR)-4-benzenesulfonyl-5-hydroxy-7a-methyl-2,3,5,6,7,7a-hexahydro-1H-inden-1-yl)-4-((S)-2,2,5,5-tetramethyl-[1,3]dioxolan-4-yl)-butyl ester 
• 681180-26-7 (3R)-4-hydroxy-3-[(1R,5S,7aR)-5-hydroxy-7a-methyl-4-(phenylsulfonyl)-2,3,5,6,7,7a-hexahydro-1H-inden-1-yl]-1-[(4S)-2,2,5,5-tetramethyl-1,3-dioxolan-4-yl]butane 
• 203392-62-5 (3R)-3-[(1R,3aR,4R,7aR)-7a-methyl-4-(phenylsulfonyl)octahydro-1H-inden-1-yl]-1-[(4S)-2,2,5,5-tetramethyl-1,3-dioxolan-4-yl]butane 
• 203392-52-3 (3S,6R)-2-methyl-6-[(1R,3aR,4R,7aR)-7a-methyl-4-(phenylsulfonyl)octahydro-1H-inden-1-yl]heptane-2,3-diol 
• 203392-60-3 S-tert-butyl (2R)-2-[(1R,7aR)-7a-methyl-5-oxo-4-phenylthio-2,3,5,6,7,7a-hexahydro-1H-inden-1-yl]-4-[(4S)-2,2,5,5-tetramethyl-1,3-dioxolan-4-yl]butanethioate 

Relevant academic research and scientific papers

Enantioselective synthesis of 24,25-dihydroxy vitamin D3 northern portion from (S)-3-hydroxy-2,2-dimethylcyclohexane-1-one. Remote asymmetric induction in an acid-catalysed conjugate addition

Enantioselective synthesis of building blocks, 2 and 16, for 24,25-dihydroxy- and 25-hydroxy vitamin D synthesis, respectively, from easily accessible optically active hydroxy ketone 5, is described.