7-(3,5-Dihydroxyphenyl)-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one

Base Information

Chemical Name:7-(3,5-Dihydroxyphenyl)-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one
CAS No.:50277-02-6
Molecular Formula:C20H16O6
Molecular Weight:352.343
Hs Code.:2932999099
DSSTox Substance ID:DTXSID50198284
Wikidata:Q83071057
Mol file:50277-02-6.mol

Synonyms:50277-02-6;7-(3,5-dihydroxyphenyl)-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one;DTXSID50198284

Suppliers and Price of 7-(3,5-Dihydroxyphenyl)-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one

Supply Marketing:

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

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Chemical Property of 7-(3,5-Dihydroxyphenyl)-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one

Chemical Property:

Vapor Pressure:1.63E-15mmHg at 25°C
Boiling Point:610.8°C at 760 mmHg
Flash Point:223.7°C
PSA：100.13000
Density:1.443g/cm³
LogP:3.76100
XLogP3:3.6
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:1
Exact Mass:352.09468823
Heavy Atom Count:26
Complexity:628

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1(C=CC2=C(O1)C=C3C(=C2O)C(=O)C(=CO3)C4=CC(=CC(=C4)O)O)C

Technology Process of 7-(3,5-Dihydroxyphenyl)-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one

There total 6 articles about 7-(3,5-Dihydroxyphenyl)-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one 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: 78.0%

: 136850-88-9
2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

: 50277-02-6
alpinum isoflavone

Guidance literature:: With boron trichloride; In dichloromethane; at -70 - -65 ℃; for 0.25h;
DOI:10.1248/cpb.39.1704

Reference yield:

: 124360-59-4
6-acetyl-7-hydroxy-5-methoxy-2,2-dimethyl-4-chromanone

: 50277-02-6
alpinum isoflavone

Guidance literature:: Multi-step reaction with 6 steps

1: 81 percent / KOH / ethanol / 7 h / Heating

2: pyridine

3: 1.) thallium(III) nitrate trihydrate, 2.) 10percent HCl / 1.) MeOH, 1,2-dichloroethane, 35-38 degC, 6h, 2.) reflux, 3h

4: NaBH₄ / tetrahydrofuran; H₂O / 0.5 h / 5 - 10 °C

5: p-toluenesulfonic acid monohydrate / toluene / 0.33 h / 110 °C

6: 78 percent / BCl₃ / CH₂Cl₂ / 0.25 h / -70 - -65 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium tetrahydroborate; thallium(III) nitrate trihydrate; boron trichloride; toluene-4-sulfonic acid; In tetrahydrofuran; ethanol; dichloromethane; water; toluene;
DOI:10.1248/cpb.39.1704

Reference yield:

: 136850-87-8
3-(2,4-Bis-benzyloxy-phenyl)-6-hydroxy-5-methoxy-8,8-dimethyl-7,8-dihydro-6H-pyrano[3,2-g]chromen-4-one

: 50277-02-6
alpinum isoflavone

Guidance literature:: Multi-step reaction with 2 steps

1: p-toluenesulfonic acid monohydrate / toluene / 0.33 h / 110 °C

2: 78 percent / BCl₃ / CH₂Cl₂ / 0.25 h / -70 - -65 °C

With boron trichloride; toluene-4-sulfonic acid; In dichloromethane; toluene;
DOI:10.1248/cpb.39.1704