Urs-12-en-28-oic acid,3-(acetyloxy)-11-oxo-, methyl ester, (3b)-

Base Information

• Chemical Name: Urs-12-en-28-oic acid,3-(acetyloxy)-11-oxo-, methyl ester, (3b)-
• CAS No.: 22425-72-5
• Molecular Formula: C₃₃H₅₀O₅
• Molecular Weight: 526.757
• Mol file: 22425-72-5.mol

Synonyms:Urs-12-en-28-oicacid, 3b-hydroxy-11-oxo-, methyl ester,acetate (6CI,8CI); BDGM 1

Chemical Property of Urs-12-en-28-oic acid,3-(acetyloxy)-11-oxo-, methyl ester, (3b)-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Urs-12-en-28-oic acid,3-(acetyloxy)-11-oxo-, methyl ester, (3b)-

There total 3 articles about Urs-12-en-28-oic acid,3-(acetyloxy)-11-oxo-, methyl ester, (3b)- 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:

acetylmethyl ursolic acid (990-89-6,1261-37-6,19870-68-9,74984-69-3,94482-49-2) → 3β-acetoxy-11α,12α-epoxy-urs-13β,28-olide (74048-33-2,116261-49-5) + (1S,2R,4aS,6aS,6bR,10S,12aS,12bR,14bR)-10-Acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid (35959-01-4,71623-71-7) + (1S,2R,4aS,6aS,6bR,10S,12aS,12bR,14bR)-10-Acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester (22425-72-5) + C33H50O6 (129199-19-5)

Guidance literature:

With dihydrogen peroxide; acetic acid; for 33h; Further byproducts given; Heating;

DOI:10.1016/S0040-4020(01)81525-8

Reference yield:

acetylmethyl ursolic acid (990-89-6,1261-37-6,19870-68-9,74984-69-3,94482-49-2) → (1S,2R,4aS,6S,6aS,6bR,10S,12aR,12bR,14bR)-10-Acetoxy-6-hydroxy-1,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester (129199-20-8) + (1S,2R,4aS,6aS,6bR,10S,12aS,12bR,14bR)-10-Acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid (35959-01-4,71623-71-7) + (1S,2R,4aS,6aS,6bR,10S,12aS,12bR,14bR)-10-Acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester (22425-72-5) + C33H50O6 (129199-19-5)

Guidance literature:

With dihydrogen peroxide; acetic acid; for 33h; Further byproducts given; Heating;

DOI:10.1016/S0040-4020(01)81525-8

Reference yield:

acetylmethyl ursolic acid (990-89-6,1261-37-6,19870-68-9,74984-69-3,94482-49-2) → (1S,2R,4aS,6aS,6bR,10S,12aS,12bR,14bR)-10-Acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid (35959-01-4,71623-71-7) + (1S,2R,4aS,6aS,6bR,10S,12aS,12bR,14bR)-10-Acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,3,4,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-hexadecahydro-2H-picene-4a-carboxylic acid methyl ester (129215-22-1) + (1S,2R,4aS,6aS,6bR,10S,12aS,12bR,14bR)-10-Acetoxy-1,2,6a,6b,9,9,12a-heptamethyl-13-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester (22425-72-5) + C33H50O6 (129199-19-5)

Guidance literature:

With dihydrogen peroxide; acetic acid; for 33h; Further byproducts given; Heating;

DOI:10.1016/S0040-4020(01)81525-8

upstream raw materials:

acetylmethyl ursolic acid