(E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one

Base Information

Chemical Name:(E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one
CAS No.:1456809-29-2
Molecular Formula:C₂₀H₁₈O₄
Molecular Weight:322.361
Hs Code.:

Synonyms:(E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one

Suppliers and Price of (E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-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
Packaging
price

Total 0 raw suppliers

Chemical Property of (E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of (E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one

There total 8 articles about (E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-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: 36.0%

: 1456809-27-0
(E)-3-(4-hydroxy-3,5-dimethylstyryl)-7-methoxy-4-methyl-2H-chromen-2-one

: 1456809-29-2
(E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one

Guidance literature:: With boron tribromide; In dichloromethane; at -78 - 20 ℃; for 1.16667h; Inert atmosphere;
DOI:10.1039/c3cc44667k

Reference yield:

: 2555-28-4
4-methyl-7-methoxy-2H-1-benzopyran-2-one

: 1456809-29-2
(E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 48 h / 0 - 20 °C / Inert atmosphere

2: triethylamine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tert-butyl XPhos / 10 h / 70 °C / Inert atmosphere

3: hydrogenchloride / tetrahydrofuran; methanol; water / 11 h / Inert atmosphere

4: boron tribromide / dichloromethane / 1.17 h / -78 - 20 °C / Inert atmosphere

With hydrogenchloride; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; N-Bromosuccinimide; ammonium acetate; boron tribromide; triethylamine; tert-butyl XPhos; In tetrahydrofuran; methanol; dichloromethane; water; acetonitrile; 2: |Heck Reaction;
DOI:10.1039/c3cc44667k

Reference yield:

: 90-33-5,79566-13-5
7-hydroxy-4-methyl-chromen-2-one

: 1456809-29-2
(E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one

Guidance literature:: Multi-step reaction with 5 steps

1: potassium carbonate / acetonitrile / 16 h / 0 °C / Inert atmosphere; Reflux

2: N-Bromosuccinimide; ammonium acetate / acetonitrile / 48 h / 0 - 20 °C / Inert atmosphere

3: triethylamine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tert-butyl XPhos / 10 h / 70 °C / Inert atmosphere

4: hydrogenchloride / tetrahydrofuran; methanol; water / 11 h / Inert atmosphere

5: boron tribromide / dichloromethane / 1.17 h / -78 - 20 °C / Inert atmosphere

With hydrogenchloride; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; N-Bromosuccinimide; ammonium acetate; boron tribromide; potassium carbonate; triethylamine; tert-butyl XPhos; In tetrahydrofuran; methanol; dichloromethane; water; acetonitrile; 3: |Heck Reaction;
DOI:10.1039/c3cc44667k