Urs-12-en-28-oic acid,2,3,19,23-tetrahydroxy-, (2a,3b,4b)-

Base Information

• Chemical Name: Urs-12-en-28-oic acid,2,3,19,23-tetrahydroxy-, (2a,3b,4b)-
• CAS No.: 105706-08-9
• Molecular Formula: C₃₀H₄₈O₆
• Molecular Weight: 504.708
• Mol file: 105706-08-9.mol

Synonyms:23-Hydroxytormenticacid; 24-Hydroxytormentic acid; Hyptatic acid B

Chemical Property of Urs-12-en-28-oic acid,2,3,19,23-tetrahydroxy-, (2a,3b,4b)-

Chemical Property:

Purity/Quality:

≥98% （HPLC） ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Urs-12-en-28-oic acid,2,3,19,23-tetrahydroxy-, (2a,3b,4b)-

There total 12 articles about Urs-12-en-28-oic acid,2,3,19,23-tetrahydroxy-, (2a,3b,4b)- 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:

3α,19α-dihydroxyursa-12-en-28-oic acid → euscaphic acid (13850-16-3,119725-19-8,53155-25-2) + 23-hydroxytormentic acid (89786-84-5,105706-08-9,70868-78-9)

Guidance literature:

Reference yield:

3-O-Galloyl-2α,3β,19α,23-tetrahydroxy-12-ursen-28-carbonsaeure-28-β-D-glucopyranosylester → 3,4,5-trihydroxybenzoic acid (149-91-7) + 23-hydroxytormentic acid (89786-84-5,105706-08-9,70868-78-9) + nigaichigoside F1 (87340-30-5,95262-49-0,105706-14-7,95262-48-9)

Guidance literature:

With sodium hydroxide; for 2h; Ambient temperature;

DOI:10.1002/ardp.19933260906

Reference yield:

2α,3β,19α,23-tetrahydroxyurs-12-en-28-oic acid 28-[6-O-acetyl-β-D-glucopyranosyl]ester → 23-hydroxytormentic acid (89786-84-5,105706-08-9,70868-78-9)

Guidance literature:

With hydrogenchloride; water; In 1,4-dioxane; at 95 ℃; for 2h;

DOI:10.1007/s12272-014-0477-3

upstream raw materials:

1-O-[(2α,3β,5ξ,9ξ,18ξ,19α)-2,3,19,23-tetrahydroxy-28-oxoolean-12-en-28-yl]-β-D-glucopyranose

nigaichigoside F₁

(1R,2R,4aS,6aS,6bR,8aR,9R,10R,11R,12aR,12bR,14bS)-1,10,11-Trihydroxy-9-hydroxymethyl-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 methyl ester

(2R,3R,4S,4aR,6aR,6bS,8aS,11R,12R,12aS,14aR,14bR)-2,3,12-Trihydroxy-4,6a,6b,11,12,14b-hexamethyl-2,3,4,4a,5,6,6a,6b,7,8,9,10,11,12,12a,14,14a,14b-octadecahydro-1H-picene-4,8a-dicarboxylic acid dimethyl ester