87834-66-0

Upstream product

• 32230-64-1 22-trans-Δ²²-24-oxo-cholesterol acetate 
• 87834-64-8 Acetic acid (3S,8S,9S,10R,13R,14S,17R)-17-((E)-(1R,4R)-4-hydroxy-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 
• 98-88-4 benzoyl chloride 
• 83788-39-0 Acetic acid (E)-(1R,4R)-4-((3S,8S,9S,10R,13R,14S,17R)-3-acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1-isopropyl-pent-2-enyl ester 

Relevant academic research and scientific papers

Chirality Transfer in the Cholesterol Side Chain; Synthesis of (24R)- and (24S)-24-Hydroxycholesterols

Δ23-22-Acetoxycholesterol derivatives can be converted into 24-hydroxycholesterol derivatives highly stereoselectively by 1,3-chirality transfer with bis(acetonitrile)palladium(II) dichloride.