22S,23S-HOMOCASTASTERONE

Base Information

• Chemical Name: 22S,23S-HOMOCASTASTERONE
• CAS No.: 83510-06-9
• Molecular Formula: C₂₉H₅₀O₅
• Molecular Weight: 478.713
• Mol file: 83510-06-9.mol

Synonyms:(22S,23S)-Homocastasterone;(22S,23S,24S)-24-Ethylbrassinone; (2a,3a,22S,23S)-Tetrahydroxy-5a-stigmastan-6-one

Chemical Property of 22S,23S-HOMOCASTASTERONE

Chemical Property:

• PSA: 97.99000
• LogP: 4.19610

Purity/Quality:

(22S,23S,24S)-24-Ethylbrassinone ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: (22S,23S,24S)-24-Ethylbrassinone is a derivative of Brassinolide (B677050), a plant hormone; natural steroid containing a seven-membered B-ring lactone, that promotes both cell elongation and cell devision.

Technology Process of 22S,23S-HOMOCASTASTERONE

There total 29 articles about 22S,23S-HOMOCASTASTERONE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 92.0%

(22R,23R,24S)-2α,3α,22,23-tetrahydroxy-24-ethyl-5α-cholestan-6-one (74174-47-3,80483-87-0,81520-76-5,88495-68-5,88495-69-6) → (2R,3S,5S,8S,9S,10R,13S,14S,17S)-17-((1S,2R,3R,4S)-4-Ethyl-2,3-dihydroxy-1,5-dimethyl-hexyl)-2,3-dihydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-6-one (74174-46-2,83509-42-6,83510-06-9,88495-65-2,89104-34-7,147200-26-8,147200-27-9)

Guidance literature:

With potassium hydroxide; In methanol; for 1h; Heating;

Reference yield: 90.0%

(22S,23S,24S)-2α,3α,22,23-tetrahydroxy-24-ethyl-5α-cholestan-6-one (74174-47-3,80483-87-0,81520-76-5,88495-68-5,88495-69-6) → (2R,3S,5S,8S,9S,10R,13S,14S,17S)-17-((1S,2S,3S,4S)-4-Ethyl-2,3-dihydroxy-1,5-dimethyl-hexyl)-2,3-dihydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-6-one (74174-46-2,83509-42-6,83510-06-9,88495-65-2,89104-34-7,147200-26-8,147200-27-9)

Guidance literature:

With potassium hydroxide; In methanol; for 1h; Heating;

Reference yield: 86.0%

(22E)-stigmasta-2,22-dien-6-one (74174-45-1) → (22S,23S)-28-homocastasterone (83510-06-9)

Guidance literature:

With osmium(VIII) oxide; sulfuric acid; sodium sulfite; 1.) pyridine, 20h, room temp., 2.) water, 50 - 60 deg C, 2h;

upstream raw materials:

(22E)-stigmasta-2,22-dien-6-one

(22S,23S,24S)-22,23-dihydroxy-5α-stigmast-2-en-6-one

2α,3α-dihydroxy-24S-ethyl-5α-cholest-22E-en-6-one

(2α,3α)-diacetoxy-5α-stigmast-(22E)-en-6-one

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