(18α,19α)-5α-Urs-20-en-3-one

Base Information

• Chemical Name: (18α,19α)-5α-Urs-20-en-3-one
• CAS No.: 16054-73-2
• Molecular Formula: C30H48O
• Molecular Weight: 424.7
• Mol file: 16054-73-2.mol

Synonyms:taraxast-20-en-3-one;3-Oxo-(18α,19β)-urs-20-en;Taraxast-20-en-3-on;(4aR,6aR,6bR,8aS,12S,12aR,12bR,14aR,14bR)-4,4,6a,6b,8a,11,12,14b-Octamethyl-1,4,4a,5,6,6a,6b,7,8,8a,9,12,12a,12b,13,14,14a,14b-octadecahydro-2H-picen-3-one;Pseudotaraxasteron;ψ-taraxasterone;Ψ-Taraxasten-3-on;

Chemical Property of (18α,19α)-5α-Urs-20-en-3-one

Chemical Property:

• PSA: 17.07000
• LogP: 8.23300

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (18α,19α)-5α-Urs-20-en-3-one

There total 4 articles about (18α,19α)-5α-Urs-20-en-3-one 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:

pseudo-taraxasterol (464-98-2) → ψ-taraxasterone (16054-73-2)

Guidance literature:

With chromium(VI) oxide;

DOI:10.1002/etc.5620201131

Reference yield:

3-oxo taraxastan-20-ol (4678-65-3) → ψ-taraxasterone (16054-73-2)

Guidance literature:

With thionyl chloride; In pyridine; for 0.166667h;

DOI:10.1016/S0031-9422(98)00656-6

Reference yield:

ψ-Taraxasterol (464-98-2,559-67-1,52881-97-7) → 3-Oxo-(18α,19β H)-ursa-20-en (862-33-9,16054-73-2,35958-87-3)

Guidance literature:

With pyridine; chromium(VI) oxide;

DOI:10.1016/0040-4020(72)80159-5

upstream raw materials:

ψ-Taraxasterol

pseudo-taraxasterol

3-oxo taraxastan-20-ol

Downstream raw materials:

Φ-taraxastene

taraxasten-(20)-al-(30)