diospyrin

Base Information

Chemical Name:diospyrin
CAS No.:28164-57-0
Deprecated CAS:27939-56-6
Molecular Formula:C₂₂H₁₄O₆
Molecular Weight:374.35
Hs Code.:
NSC Number:208730
UNII:O0IQZ8B2R7
DSSTox Substance ID:DTXSID30182429
Nikkaji Number:J21.593G
Wikidata:Q27106425
ChEMBL ID:CHEMBL242550
Mol file:28164-57-0.mol

Synonyms:Diospyrin(7CI); Euclein; NSC 208730

Suppliers and Price of diospyrin

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

American Custom Chemicals Corporation
DIOSPYRIN 95.00%
5MG
$ 505.92

Total 9 raw suppliers

Chemical Property of diospyrin

Chemical Property:

Melting Point:286.8℃
Boiling Point:732.3oC at 760 mmHg
Flash Point:410.6oC
PSA：108.74000
Density:1.513±0.06 g/cm3 (20 ºC 760 Torr)
LogP:3.11240
XLogP3:3.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:1
Exact Mass:374.07903816
Heavy Atom Count:28
Complexity:808

Purity/Quality:

99% ^*data from raw suppliers

DIOSPYRIN 95.00% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1=CC2=C(C(=C1)O)C(=O)C=C(C2=O)C3=C(C4=C(C=C3C)C(=O)C=CC4=O)O

Technology Process of diospyrin

There total 9 articles about diospyrin 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: 82.0%

: 39093-14-6
5,5'-dimethoxy-7,7'-dimethyl-[2,6'-binaphthalene]-1,1',4,4'-tetraone

: 28164-57-0
diospyrin

Guidance literature:: With aluminium trichloride; In dichloromethane; at 20 ℃; for 24h;
DOI:10.1002/1099-0690(200004)2000:7<1313::AID-EJOC1313>3.0.CO;2-I

Reference yield:

: 273200-84-3
2-bromo-5-methoxy-7-methyl-1,4-naphthoquinone

: 28164-57-0
diospyrin

Guidance literature:: Multi-step reaction with 3 steps

1: 53 percent / Na₂CO₃ / Pd(PPh₃)4 / ethanol; toluene; H₂O / 3 h / Heating

2: 100 percent / Ce(NH₄)2(NO₃)6 / H₂O; acetonitrile / 0.83 h / 0 - 20 °C

3: 82 percent / AlCl₃ / CH₂Cl₂ / 24 h / 20 °C

With aluminium trichloride; ammonium cerium(IV) nitrate; sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In ethanol; dichloromethane; water; toluene; acetonitrile; 1: Arylation / 2: Oxidation / 3: Demethylation;
DOI:10.1002/1099-0690(200004)2000:7<1313::AID-EJOC1313>3.0.CO;2-I

Reference yield:

: 189066-68-0
2-bromo-1,5,8-trimethoxy-3-methylnaphthalene

: 28164-57-0
diospyrin

Guidance literature:: Multi-step reaction with 4 steps

1: 66 percent / B(OMe)3; nBuLi / tetrahydrofuran; hexane / 12 h

2: 53 percent / Na₂CO₃ / Pd(PPh₃)4 / ethanol; toluene; H₂O / 3 h / Heating

3: 100 percent / Ce(NH₄)2(NO₃)6 / H₂O; acetonitrile / 0.83 h / 0 - 20 °C

4: 82 percent / AlCl₃ / CH₂Cl₂ / 24 h / 20 °C

With n-butyllithium; aluminium trichloride; ammonium cerium(IV) nitrate; Trimethyl borate; sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; ethanol; hexane; dichloromethane; water; toluene; acetonitrile; 1: Substitution / 2: Arylation / 3: Oxidation / 4: Demethylation;
DOI:10.1002/1099-0690(200004)2000:7<1313::AID-EJOC1313>3.0.CO;2-I