2,7-dibromo-9,9-dimethylxanthene

Base Information

• Chemical Name: 2,7-dibromo-9,9-dimethylxanthene
• CAS No.: 705282-16-2
• Molecular Formula: C₁₅H₁₂Br₂O
• Molecular Weight: 368.068
• Mol file: 705282-16-2.mol

Synonyms:2,7-dibromo-9,9-dimethylxanthene

Chemical Property of 2,7-dibromo-9,9-dimethylxanthene

Chemical Property:

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,7-dibromo-9,9-dimethylxanthene

There total 2 articles about 2,7-dibromo-9,9-dimethylxanthene 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: 90.0%

9,9-dimethylxanthene (19814-75-6) → 2,7-dibromo-9,9-dimethylxanthene (705282-16-2)

Guidance literature:

With bromine; acetic anhydride; acetic acid; at 20 ℃; for 2h;

DOI:10.1016/j.tet.2004.02.070

Reference yield:

xanth-9-one (90-47-1) + trimethylaluminum (75-24-1) → 2,7-dibromo-9,9-dimethylxanthene (705282-16-2)

Guidance literature:

xanth-9-one; trimethylaluminum; In toluene;

With bromine; acetic anhydride; acetic acid;

DOI:10.1002/cplu.201402349

Reference yield:

2,7-dibromo-9,9-dimethylxanthene (705282-16-2) → C45H32N6O

Guidance literature:

Multi-step reaction with 2 steps

1: potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / tetrahydrofuran / 3 h / Inert atmosphere; Reflux

2: potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / tetrahydrofuran; water / 12 h / Inert atmosphere; Reflux

With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium acetate; potassium carbonate; In tetrahydrofuran; water;

upstream raw materials:

9,9-dimethylxanthene

xanth-9-one

trimethylaluminum

Refernces

• 1、 -. "Compound and organic electronic device comprising same". Paragraph 0201-0203. . Retrieved 2017/11/18.