862902-54-3

Upstream product

• 98-88-4 benzoyl chloride 
• 81506-24-3 [3S-(1Z,3α,5β)]-2-[3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethanol 
• 152210-24-7 Benzoic acid 2-[(3S,5R)-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-ethyl ester 
• 152210-23-6 Benzoic acid 2-[(3S,5R)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-2-methylene-cyclohex-(Z)-ylidene]-ethyl ester 
• 862902-53-2 Pyridine-2-carboxylic acid (1S,5R)-3-[2-benzoyloxy-eth-(Z)-ylidene]-5-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexyl ester 

Relevant academic research and scientific papers

Synthesis of the enantiomer of 1α,25-dihydroxy vitamin D3 (calcitriol) and a diastereomer of 1α,25-dihydroxy vitamin D3 differing from natural product in configuration at all but one asymmetric carbon atoms

Convergent synthesis of ent-1α,25-dihydroxyvitamin D3 (ent-calcitriol, 2) and (1S,3S, 13S,14S,17S,20S) - 1α,25-dihydroxyvitamin D3 (5) using the ring A building blocks, 6 and 7, respectively, and rings CD building block 8, is describ