(24S)-24-Ethyl-9β,19-cyclolanosta-25-ene-3β-ol

Base Information

• Chemical Name: (24S)-24-Ethyl-9β,19-cyclolanosta-25-ene-3β-ol
• CAS No.: 76236-10-7
• Molecular Formula: C₃₂H₅₄O
• Molecular Weight: 454.78
• Mol file: 76236-10-7.mol

Synonyms:(24S)-polysthicol;24S/β-ethyl-25-dehydrocycloartanol;24β-ethyl-25(27)-dehydrocycloartanol;(3S,5R,8S,9S,10R,13R,14S,17R)-17-((1R,4S)-4-Ethyl-1,5-dimethyl-hex-5-enyl)-4,4,13,14-tetramethyl-tetradecahydro-cyclopropa[9,10]cyclopenta[a]phenanthren-3-ol;24S-ethyl-9β,19-cyclolanost-25-ene-3β-ol;

Chemical Property of (24S)-24-Ethyl-9β,19-cyclolanosta-25-ene-3β-ol

Chemical Property:

• PSA: 20.23000
• LogP: 8.80500

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (24S)-24-Ethyl-9β,19-cyclolanosta-25-ene-3β-ol

There total 2 articles about (24S)-24-Ethyl-9β,19-cyclolanosta-25-ene-3β-ol 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:

Acetic acid (3S,9S,13R,14S,17R)-17-((1R,4S)-4-ethyl-1,5-dimethyl-hex-5-enyl)-4,4,13,14-tetramethyl-tetradecahydro-cyclopropa[9,10]cyclopenta[a]phenanthren-3-yl ester (70587-98-3,76250-28-7,76250-29-8) → polysthicol (76236-10-7,79199-90-9,83150-98-5)

Guidance literature:

With potassium hydroxide; In methanol; for 2h; Ambient temperature;

DOI:10.1016/S0040-4039(00)77421-1

Reference yield:

24-methylenecycloartanol (1449-09-8,13614-08-9,118628-12-9) + S-Adenosyl-L-methionine (14031-35-7,17176-17-9,29908-03-0,75044-81-4,78548-84-2,79647-17-9,91279-78-6) → 24S-ethyl-9β,19-cyclolanost-25-ene-3β-ol (76236-10-7) + 24(28)E-24-ethylidene cycloartanol + 24(28)Z-24-ethylidene cycloartanol

Guidance literature:

With sterol methyl transferase; at 35 ℃;

DOI:10.1016/S0040-4039(02)01550-2

upstream raw materials:

Acetic acid (3S,9S,13R,14S,17R)-17-((1R,4S)-4-ethyl-1,5-dimethyl-hex-5-enyl)-4,4,13,14-tetramethyl-tetradecahydro-cyclopropa[9,10]cyclopenta[a]phenanthren-3-yl ester

24-methylenecycloartanol

S-Adenosyl-L-methionine

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