24-methyldesmosterol

Base Information

• Chemical Name: 24-methyldesmosterol
• CAS No.: 20780-41-0
• Molecular Formula: C₂₈H₄₆O
• Molecular Weight: 398.673
• Mol file: 20780-41-0.mol

Synonyms:Ergosta-5,24-dien-3b-ol (7CI,8CI);24-Methyl-24-dehydrocholesterol; 24-Methylcholesta-5,24-dien-3b-ol; 24-Methyldesmosterol;Ergosta-5,24-dienol; D5,24-Ergostadien-3b-ol

Chemical Property of 24-methyldesmosterol

Chemical Property:

• Vapor Pressure: 5.79E-12mmHg at 25°C
• Boiling Point: 497.1°Cat760mmHg
• Flash Point: 215.8°C
• PSA: 20.23000
• Density: 0.99g/cm³
• LogP: 7.69890

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 24-methyldesmosterol

There total 3 articles about 24-methyldesmosterol 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: 52.0%

24-methylene cholesterol (474-63-5) → Δ5,24(28)-ergostadien-3β-ol (20780-41-0) + ergosta-5,23(Z)-dien-3β-ol (82949-88-0,72962-53-9) + 24-methylcholesta-5,E-23-dien-3β-ol (79733-00-9,72962-53-9) + codisterol (52936-69-3) + 24β-methyl-25-dehydrocholesterol (71486-08-3)

Guidance literature:

With lithium 2-aminoethylamide; In ethylenediamine; at 115 ℃; for 0.5h; Product distribution; var. time;

DOI:10.1021/jo00143a025

Reference yield: 38.0%

24-methylene cholesterol (474-63-5) → Δ5,24(28)-ergostadien-3β-ol (20780-41-0) + ergosta-5,23(Z)-dien-3β-ol (82949-88-0,72962-53-9) + 24-methylcholesta-5,E-23-dien-3β-ol (79733-00-9,72962-53-9) + codisterol (52936-69-3)

Guidance literature:

With lithium 2-aminoethylamide; In ethylenediamine; at 115 ℃; for 0.5h; Further byproducts given;

DOI:10.1021/jo00143a025

Reference yield: 38.0%

24-methylene cholesterol (474-63-5) → Δ5,24(28)-ergostadien-3β-ol (20780-41-0) + ergosta-5,23(Z)-dien-3β-ol (82949-88-0,72962-53-9) + 24-methylcholesta-5,E-23-dien-3β-ol (79733-00-9,72962-53-9) + 24β-methyl-25-dehydrocholesterol (71486-08-3)

Guidance literature:

With lithium 2-aminoethylamide; In ethylenediamine; at 115 ℃; for 2h; Further byproducts given;

DOI:10.1021/jo00143a025

upstream raw materials:

24-methylene cholesterol