199798-50-0

Upstream product

• 147352-03-2 (S)-2-((1R,3aR,4S,7aR)-4-hydroxy-7a-methyl-octahydroinden-1-yl)-propionaldehyde 
• 199798-48-6 (S)-2-((3aR)-4t-acetoxy-7a-methyl-(3ar,7at)-hexahydro-indan-1t-yl)-propan-1-ol 
• 55812-82-3 (1R,3aR,4S,7aR)-7a-methyl-1-<(2E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl>-octahydro-1H-inden-4-ol 
• 64190-52-9 (8S,20S)-de-A,B-20-(hydroxymethyl)pregnan-8-ol 
• 101262-49-1 <1R-<1α(S^*),3aβ,4α,7aα>>-4-acetoxyoctahydro-α,7a-dimethyl-1H-indene-1-acetaldehyde 

Relevant academic research and scientific papers

NOVEL METHOD

There is provided a method of prevention of adhesions, eg surgical adhesions, which comprises using a vitamin D compound.

SYNTHESIS OF 1α-FLUORO-25-HYDROXY-16-23E-DIENE-26,27-BISHOMO-20-EPI-CHOLECALCIFEROL

The invention provides a method of producing 20-methyl vitamin D3 compounds of formula (I). The method includes hydroxylation, carbonyl reduction, fluoride substitution, epoxide deoxygenation, and Wittig-type couplings.

SYNTHESIS OF 1α-FLUORO-25-HYDROXY-16-23E-DIENE-26,27-BISHOMO-20-EPI-CHOLECALCIFEROL

The invention provides a method of producing 20-methyl vitamin D3 compounds of formula (I). The method includes allylic and olefin oxidation, decarbonylation, carbonyl reduction, fluoride substitution, epoxide deoxygenation, and Wittig-type couplings.