2,3,23-TRI(ACETYLOXY)-(2ALPHA,3BETA,4ALPHA)-URS-12-EN-28-OIC ACID

Base Information

• Chemical Name: 2,3,23-TRI(ACETYLOXY)-(2ALPHA,3BETA,4ALPHA)-URS-12-EN-28-OIC ACID
• CAS No.: 57688-73-0
• Molecular Formula: C36H54O8
• Molecular Weight: 614.815
• Mol file: 57688-73-0.mol

Synonyms:2,3,23-TRI(ACETYLOXY)-(2ALPHA,3BETA,4ALPHA)-URS-12-EN-28-OIC ACID

Chemical Property of 2,3,23-TRI(ACETYLOXY)-(2ALPHA,3BETA,4ALPHA)-URS-12-EN-28-OIC ACID

Chemical Property:

• PSA: 116.20000
• LogP: 6.74510

Purity/Quality:

99% ^*data from raw suppliers

2,3,23-TRI(ACETYLOXY)-(2ALPHA,3BETA,4ALPHA)-URS-12-EN-28-OIC ACID 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3,23-TRI(ACETYLOXY)-(2ALPHA,3BETA,4ALPHA)-URS-12-EN-28-OIC ACID

There total 4 articles about 2,3,23-TRI(ACETYLOXY)-(2ALPHA,3BETA,4ALPHA)-URS-12-EN-28-OIC ACID 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: 100.0%

asiatic acid (464-92-6,89786-83-4,103974-74-9,106327-64-4,114580-55-1,116348-15-3,143839-02-5) + acetic anhydride (108-24-7) → 2α,3β,24-triacetyloxy-urs-12-en-28-oic acid (57688-73-0)

Guidance literature:

With dmap; In tetrahydrofuran; at 20 ℃; for 4h;

DOI:10.1039/c6ra04597a

Reference yield:

asiaticoside (16830-15-2) → 2α,3β,24-triacetyloxy-urs-12-en-28-oic acid (57688-73-0)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium hydroxide; methanol / Reflux

2: pyridine / 8 h / 20 °C

With pyridine; methanol; sodium hydroxide;

DOI:10.1039/c6ra11397d

Reference yield:

→ (1S,2R,6aS,8aR,9R,10R,11R,12bR,14bR)-10,11-Diacetoxy-9-acetoxymethyl-1,2,6a,6b,9,12a-hexamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid (57688-73-0,110325-81-0,116291-83-9)

Guidance literature:

Asiatsaeure XVI; Acylierung;

DOI:10.1016/0031-9422(72)85035-0

upstream raw materials:

asiatic acid

acetic anhydride

asiaticoside

Downstream raw materials:

N-(2α,3β,23-acetoxyurs-12-en-28-oyl)-L-phenylalanine methyl ester

N-(2α,3β,23-triacetoxyurs-12-ene-28-oyl)-3,4-dichloroaniline

N-(2α,3β,23-triacetoxyurs-12-ene-28-oyl)phenylhydrazine

4-(tert-butyl)phenyl-2α,3β,23-triacetoxyurs-12-en-28-oate

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