695226-36-9

Upstream product

• 695226-35-8 (22R)-3β-acetoxy-22-tert-butyldimethylsilyloxy-16β-(2,4-dinitrobenzoyloxy)cholesta-5,17(20)-diene 
• 321125-15-9 (22β)-3β-hydroxyfurost-5-ene 
• 439917-15-4 (22β,25R)-3β,26-dihydroxyfurost-5-en-3β-acetate 
• 512-04-9 diosgenin 
• 695226-20-1 3β-acetoxyfurost-5,16,20(22)-triene 
• 695226-19-8 (22β)-3β-acetoxyfurost-5-ene 
• 649723-72-8 3β-O-acetylcholest-5-ene-16,22-dione 
• 695226-21-2 3β-acetoxycholesta-5,17(20)-diene-16,22-dione 
• 695226-22-3 (22R)-3β-acetoxycholesta-5,17(20)-diene-16β,22-diol 
• 695226-23-4 (22R)-3β-acetoxy-22-tert-butyldimethylsilyloxycholesta-5,17(20)-diene-16β-ol 
• 156207-54-4 (20α,22β,25R)-3β-Acetoxyfurost-5-ene-26-(p-toluenesulfonate) 
• 695226-32-5 (22R)-3β-acetoxy-16β-4-nitrobenzoyloxycholesta-5,17(20)-diene-22-ol 
• 1061-54-7 diosgenin acetate 
• 695226-31-4 (22R)-3β-acetoxy-22-tert-butyldimethylsilyloxy-16β-(4-nitrobenzoyloxy)cholesta-5,17(20)-diene 

Downstream Products

• 695226-37-0 (20R)-3β-acetoxy-16β-(2,4-dinitrobenzoyloxy)-20,22-epoxycholesta-5-ene-17α-ol 

Relevant academic research and scientific papers

A Novel Synthetic Approach from Diosgenin to a 17α-Hydroxy Orthoester via a Regio- and Stereo-Specific Rearrangement of an Epoxy Ester

A cholesterol model compound, containing 16β-acetoxy, 17α-hydroxy, and (20S, 22R)-epoxy groups was synthesized from diosgenin in 13 steps and was rearranged regio- and stereo-specifically to an orthoester with BF3-Et2O.