scutellarin Methylester

Base Information

• Chemical Name: scutellarin Methylester
• CAS No.: 119262-68-9
• Molecular Formula: C22H20O12
• Molecular Weight: 476.394
• Mol file: 119262-68-9.mol

Synonyms:scutellarin Methylester;Scutellarin Methlester;5,6-Dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-1-benzopyran-7-yl beta-D-glucopyranosiduronic acid methyl ester

Chemical Property of scutellarin Methylester

Chemical Property:

• Boiling Point: 804.0±65.0 °C(Predicted)
• PKA: 5.92±0.40(Predicted)
• PSA: 196.35000
• Density: 1.697±0.06 g/cm3(Predicted)
• LogP: -0.06380

Purity/Quality:

98%min ^*data from raw suppliers

Scutellarin methyl ester ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of scutellarin Methylester

There total 8 articles about scutellarin Methylester 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: 98.1%

methanol (67-56-1) + scutellarin (27740-01-8,676536-34-8) → scutellarein 7-O-β-D-glucuronopyranoside methyl ester (119262-68-9)

Guidance literature:

With hydrogenchloride; In N,N-dimethyl-formamide; at 0 - 40 ℃;

DOI:10.1016/j.ejmech.2010.01.006

Reference yield: 95.6%

chlorosulfite de methyle (13165-72-5) + scutellarin (27740-01-8,676536-34-8) → scutellarein 7-O-β-D-glucuronopyranoside methyl ester (119262-68-9)

Guidance literature:

In methanol; at 20 ℃; for 9h; Inert atmosphere;

DOI:10.1016/j.tet.2017.02.039

Reference yield: 90.0%

5,6,4'-triacetoxy-7-hydroxyflavon-7-O-(2,3,4-tri-O-acetyl-β-D-glucopyranosiduronsauremethyl ester) (54917-66-7) → scutellarein 7-O-β-D-glucuronopyranoside methyl ester (119262-68-9)

Guidance literature:

With sulfuric acid; In methanol; for 0.8h; Reflux;

upstream raw materials:

methanol

scutellarin

4,5,6,7-tetra-O-acetylflavone

5,6,4'-triacetoxy-7-hydroxyflavon-7-O-(2,3,4-tri-O-acetyl-β-D-glucopyranosiduronsauremethyl ester)

Downstream raw materials:

scutellarin

scutellarein

methyl 3,4,5-trihydroxy-6-((5-hydroxy-6-methoxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)tetrahydro-2H-pyran-2-carboxylate

scutellarein 4'-O-methyl-7-O-β-D-glucopyranoside

Refernces

• 1、 Ding, Ning,Li, Yingxia,Wang, Yujie,Xiao, Qiang,Xie, Mingxian,Yan, Shiqiang. "Semi-synthesis of a series natural flavonoids and flavonoid glycosides from scutellarin". . . Retrieved 2020.
• 2、 -. "Preparation method of hispidulin". Paragraph 0030-0035. . Retrieved 2020/08/18.