1,2-Dibromoindane

Base Information

• Chemical Name: 1,2-Dibromoindane
• CAS No.: 20357-79-3
• Molecular Formula: C9H8Br2
• Molecular Weight: 275.971
• Hs Code.: 2903999090
• Mol file: 20357-79-3.mol

Synonyms:1,2-Dibromoindane;Indene dibromide

Chemical Property of 1,2-Dibromoindane

Chemical Property:

• Melting Point: 32°C
• Refractive Index: 1.6000 (estimate)
• Boiling Point: 276.51°C (rough estimate)
• PSA: 0.00000
• Density: 1.7470
• LogP: 3.44220

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,2-Dibromoindane

There total 6 articles about 1,2-Dibromoindane 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%

1-indene (95-13-6) → 2-bromo-1-indanol (5400-80-6,78684-69-2) + 1,2-dibromoindane (20357-79-3) + 2-bromoindanone (1775-27-5)

Guidance literature:

With sodium bromate; sulfuric acid; sodium bromide; In 1,4-dioxane; water; at 20 ℃; for 6h;

DOI:10.1016/j.tetlet.2009.03.047

Reference yield: 77.1%

→ trans-2-bromo-1-indanol (79465-06-8,78684-69-2) + 1,2-dibromoindane (20357-79-3)

Guidance literature:

Reference yield: 45.0%

3-chloro-benzenecarboperoxoic acid (937-14-4) + 1-indene (95-13-6) → 1,2-dibromoindane (20357-79-3) + 3-Chloro-benzoic acid (1R,2R)-1-bromo-indan-2-yl ester (122897-80-7)

Guidance literature:

With 18-crown-6 ether; potassium bromide; In dichloromethane; for 0.333333h;

upstream raw materials:

1-indene

methanol

peracetic acid

3-chloro-benzenecarboperoxoic acid

Downstream raw materials:

(1S,2R)-1-amino-2-indanol

phthalic anhydride

2-benzofuran-1(3H)-one

2,3-dichloronaphthalene