74174-46-2

Upstream product

• 74174-47-3 (22S,23S,24S)-2α,3α,22,23-tetrahydroxy-24-ethyl-5α-cholestan-6-one 
• 74174-45-1 (5S,8S,9S,10R,13R,14S,17S)-17-((E)-(1R,4S)-4-Ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-1,4,5,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-6-one 
• 80459-66-1 (3S,5S,8S,9S,10R,13R,14S,17S)-17-((E)-(1R,4S)-4-Ethyl-1,5-dimethyl-hex-2-enyl)-3-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-6-one 
• 85197-31-5 (24S)-2α,3α-diacetoxy-24-ethyl-5α-cholest-22-en-6-one 
• 85197-32-6 Acetic acid (2R,3S,5S,8S,9S,10R,13S,14S,17S)-3-acetoxy-17-{(S)-1-[3-((S)-1-ethyl-2-methyl-propyl)-oxiranyl]-ethyl}-10,13-dimethyl-6-oxo-hexadecahydro-cyclopenta[a]phenanthren-2-yl ester 
• 122008-70-2 Acetic acid (2R,3S,5S,8S,9S,10R,13S,14S,17S)-3-acetoxy-17-((1S,4S)-4-ethyl-2,3-dihydroxy-1,5-dimethyl-hexyl)-10,13-dimethyl-6-oxo-hexadecahydro-cyclopenta[a]phenanthren-2-yl ester 
• 80459-67-2 Toluene-4-sulfonic acid (3S,5S,8S,9S,10R,13R,14S,17S)-17-((E)-(1R,4S)-4-ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-6-oxo-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester 
• 74174-47-3 (22R,23R,24S)-2α,3α,22,23-tetrahydroxy-24-ethyl-5α-cholestan-6-one 

Relevant academic research and scientific papers

Synthesis of (22R,23R)-28-Homobrassinolide

(22R,23R)-28-Homobrassinolide (18), an analog of brassinolide (1), was synthesized from stigmasterol (3).Keywords - brassinolide; plant growth-promoting substance; active analogs of brassinolide; structure-activity relationship; stigmasterol; plant hormones; Baeyer-Villiger oxidation