(S)-2,3-Dihydro-5,8-dihydroxy-6,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one

Base Information

Chemical Name:(S)-2,3-Dihydro-5,8-dihydroxy-6,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one
CAS No.:72061-65-5
Molecular Formula:C₁₇H₁₆O₆
Molecular Weight:316.31
Hs Code.:
Mol file:72061-65-5.mol

Synonyms:didymocarpin-A;5,8-dihydroxy-6,7-dimethoxyflavanone;5,8-Dihydroxy-6,7-dimethoxy-2-phenyl-chroman-4-one;5,8-Dihydroxy-6,7-dimethoxy-2-phenyl-chroman-4-on;didymocarpine-A;5,8-dihydroxy-6,7-dimethoxyflavone;

Suppliers and Price of (S)-2,3-Dihydro-5,8-dihydroxy-6,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one

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
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price

Total 3 raw suppliers

Chemical Property of (S)-2,3-Dihydro-5,8-dihydroxy-6,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one

Chemical Property:

Boiling Point:569.9±50.0 °C(Predicted)
PKA:8.12±0.40(Predicted)
PSA：85.22000
Density:1.358±0.06 g/cm3(Predicted)
LogP:2.82150

Purity/Quality:: 99% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of (S)-2,3-Dihydro-5,8-dihydroxy-6,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one

There total 10 articles about (S)-2,3-Dihydro-5,8-dihydroxy-6,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-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:

: 75428-51-2
6,7-dimethoxy-5,8-quinoflavanone

: 72061-65-5
5,8-dihydroxy-6,7-dimethoxyflavanone

Guidance literature:: With sodium sulfite; In acetic acid; for 0.0333333h; Heating;

Reference yield:

: 22248-14-2
6-hydroxy-2,3,4-trimethoxyacetophenone

: 72061-65-5
5,8-dihydroxy-6,7-dimethoxyflavanone

Guidance literature:: Multi-step reaction with 4 steps

1: KOH / ethanol; H₂O / 72 h / Ambient temperature

2: pyridine / 8 h / Heating

3: AlCl₃ / acetonitrile / 1 h / Heating

4: 1.) KOH, potassium persulphate; 2.) Na₂SO₃, cc. HCl / 1.) pyridine, water, 24 h., room temp.

With hydrogenchloride; potassium hydroxide; aluminium trichloride; potassium peroxomonosulphate; sodium sulfite; In pyridine; ethanol; water; acetonitrile;

Reference yield:

: 66074-94-0
5,6,7-trimethoxyflavanone

: 72061-65-5
5,8-dihydroxy-6,7-dimethoxyflavanone

Guidance literature:: Multi-step reaction with 2 steps

1: AlCl₃ / acetonitrile / 1 h / Heating

2: 1.) KOH, potassium persulphate; 2.) Na₂SO₃, cc. HCl / 1.) pyridine, water, 24 h., room temp.

With hydrogenchloride; potassium hydroxide; aluminium trichloride; potassium peroxomonosulphate; sodium sulfite; In acetonitrile;