Glabrescione B

Base Information

Chemical Name:Glabrescione B
CAS No.:65893-94-9
Molecular Formula:C27H30O6
Molecular Weight:450.532
Hs Code.:

Synonyms:3-(3',4'-bis(3-methylbut-2-enyloxy)phenyl)-5,7-dimethoxy-4H-chromen-4-one;3-[3,4-Bis-(3-methyl-but-2-enyloxy)-phenyl]-5,7-dimethoxy-chromen-4-one;Glabrescion B;

Suppliers and Price of Glabrescione B

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 15 raw suppliers

Chemical Property of Glabrescione B

Chemical Property:

PSA：67.13000
LogP:6.16720

Purity/Quality:: 97% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of Glabrescione B

There total 6 articles about Glabrescione B 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: 86.0%

: 3-(3',4'-dihydroxyphenyl)-5,7-dimethoxy-4H-chromen-4-one

: 870-63-3
prenyl bromide

: 65893-94-9
3-(3',4'-bis(3-methylbut-2-enyloxy)phenyl)-5,7-dimethoxy-4H-chromen-4-one

Guidance literature:: 3-(3',4'-dihydroxyphenyl)-5,7-dimethoxy-4H-chromen-4-one; With potassium carbonate; In acetone; at 20 ℃; for 0.166667h;

prenyl bromide; In acetone; at 80 ℃;

Reference yield:

: 832-58-6
1-(2,4,6-trimethoxyphenyl)ethanone

: 65893-94-9
3-(3',4'-bis(3-methylbut-2-enyloxy)phenyl)-5,7-dimethoxy-4H-chromen-4-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: boron tribromide / dichloromethane / 2 h / 20 °C / Inert atmosphere

2.1: 3 h / 95 °C

3.1: iodine / methanol / 1 h / 20 °C

4.1: sodium carbonate / 1,2-dimethoxyethane; water / 2 h / 45 °C

5.1: lead(IV) tetraacetate / benzene / 80 °C / Inert atmosphere

5.2: 6 h / 25 °C

6.1: potassium carbonate / acetone / 0.17 h / 20 °C

6.2: 80 °C

With iodine; lead(IV) tetraacetate; boron tribromide; sodium carbonate; potassium carbonate; In methanol; 1,2-dimethoxyethane; dichloromethane; water; acetone; benzene;

Reference yield:

: 90-24-4
2-hydroxy-4,6-dimethoxyacetophenone

: 65893-94-9
3-(3',4'-bis(3-methylbut-2-enyloxy)phenyl)-5,7-dimethoxy-4H-chromen-4-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: 3 h / 95 °C

2.1: iodine / methanol / 1 h / 20 °C

3.1: sodium carbonate / 1,2-dimethoxyethane; water / 2 h / 45 °C

4.1: lead(IV) tetraacetate / benzene / 80 °C / Inert atmosphere

4.2: 6 h / 25 °C

5.1: potassium carbonate / acetone / 0.17 h / 20 °C

5.2: 80 °C

With iodine; lead(IV) tetraacetate; sodium carbonate; potassium carbonate; In methanol; 1,2-dimethoxyethane; water; acetone; benzene;