Neoisoastilbin

Base Information

Chemical Name:Neoisoastilbin
CAS No.:54141-72-9
Molecular Formula:C₂₁H₂₂O₁₁
Molecular Weight:450.399
Hs Code.:
UNII:KA92CW3M68
DSSTox Substance ID:DTXSID30311792
Nikkaji Number:J733.853H
Wikidata:Q105382134
Mol file:54141-72-9.mol

Synonyms:(2R-cis)-isomer of astilbin;(2S-cis)-isomer of astilbin;3-0-alpha-1-rhamnosyl-(2R,3R)-dihydroquercetin;astilbin;isoastilbin;neoisoastilbin

Suppliers and Price of Neoisoastilbin

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

JR MediChem
Neoisoastilbin(NewProduct) 98%
5mg
$ 368.00

AvaChem
Neoisoastilbin
20mg
$ 690.00

AvaChem
Neoisoastilbin
10mg
$ 490.00

AvaChem
Neoisoastilbin
5mg
$ 290.00

AvaChem
Neoisoastilbin
1mg
$ 119.00

Arctom
Neoisoastilbin ≥98%
10mg
$ 318.00

Total 16 raw suppliers

Chemical Property of Neoisoastilbin

Chemical Property:

Vapor Pressure:4.42E-27mmHg at 25°C
Melting Point:168-169 °C
Boiling Point:801.1°Cat760mmHg
PKA:7.34±0.60(Predicted)
Flash Point:282.9°C
PSA：186.37000
Density:1.74g/cm³
LogP:0.03810
XLogP3:0.4
Hydrogen Bond Donor Count:7
Hydrogen Bond Acceptor Count:11
Rotatable Bond Count:3
Exact Mass:450.11621151
Heavy Atom Count:32
Complexity:676

Purity/Quality:

HPLC≥98% ^*data from raw suppliers

Neoisoastilbin(NewProduct) 98% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1C(C(C(C(O1)OC2C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)O)O)O
Isomeric SMILES:C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)O[C@@H]2[C@@H](OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)O)O)O

Technology Process of Neoisoastilbin

There total 8 articles about Neoisoastilbin 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: 91.0%

: 294203-79-5
(2R,3R)-5,7-Bis-benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3-((2S,3R,4R,5S,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-chroman-4-one

: 29838-67-3,54081-47-9,54081-48-0,54141-72-9
astilbin

Guidance literature:: With hydrogen; palladium; In methanol;
DOI:10.1016/S0040-4039(00)00826-1

Reference yield:

: 20728-73-8
5,7,3',4'-tetra-O-benzyl-(+)-catechin

: 29838-67-3,54081-47-9,54081-48-0,54141-72-9
astilbin

Guidance literature:: Multi-step reaction with 4 steps

1: 82 percent / Cp₂HfCl₂; AgClO₄ / CH₂Cl₂ / 2 h / -78 - -35 °C

2: 66 percent / DDQ; H₂O / CH₂Cl₂ / 5 h / 25 °C

3: 85 percent / pyridinium dichromate / CH₂Cl₂ / 40 h / 20 °C

4: 91 percent / H₂ / Pd black / methanol / 50 h / 25 °C

With dipyridinium dichromate; bis(cyclopentadienyl)hafnium dichloride; water; hydrogen; silver perchlorate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; palladium; In methanol; dichloromethane;
DOI:10.1016/j.tet.2003.08.076

Reference yield:

: 80152-99-4
1-O-acetyl-2,3,4-tri-O-benzyl-6-deoxy-α-L-mannose

: 29838-67-3,54081-47-9,54081-48-0,54141-72-9
astilbin

Guidance literature:: Multi-step reaction with 4 steps

1: 82 percent / Cp₂HfCl₂; AgClO₄ / CH₂Cl₂ / 2 h / -78 - -35 °C

2: 66 percent / DDQ; H₂O / CH₂Cl₂ / 5 h / 25 °C

3: 85 percent / pyridinium dichromate / CH₂Cl₂ / 40 h / 20 °C

4: 91 percent / H₂ / Pd black / methanol / 50 h / 25 °C

With dipyridinium dichromate; bis(cyclopentadienyl)hafnium dichloride; water; hydrogen; silver perchlorate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; palladium; In methanol; dichloromethane;
DOI:10.1016/j.tet.2003.08.076