953786-79-3

Upstream product

• 953786-78-2 C₅₄H₈₈SO₄Si₃ 
• 128387-35-9 (1S),3(R)-bis<(tert-butyldimethylsilyl)oxy>-20(S)-(hydroxymethyl)-9,10-secopregna-5(E),7(E),10(19)-triene 
• 128387-36-0 (S)-2-[(1R,3aS,7aR,E)-4-((E)-2-{(3S,5R)-3,5-bis[(tert-butyldimethylsilyl)oxy]-2-methylenecyclohexylidene}ethylidene)-7a-methyloctahydro-1H-inden-1-yl]propyl 4-methylbenzenesulfonate 
• 953786-77-1 C₃₆H₆₄O₃Si₂S 

Relevant academic research and scientific papers

The thioacetate approach to vitamin D analogues. Part 2: Synthesis of (25S)-23-thia-1α,25,26-trihydroxyvitamin D3

(25S)-23-Thia-1α,25,26-trihydroxyvitamin D3 (4) was prepared from alcohol 5 in 56% overall yield (five steps) using our previously developed methodology. Alcohol 5 was synthesized from commercially available vitamin D2.