2,3-Diphenylbenzo-1,4-dioxin

Base Information

• Chemical Name: 2,3-Diphenylbenzo-1,4-dioxin
• CAS No.: 75694-46-1
• Molecular Formula: C20H14 O2
• Molecular Weight: 286.33
• DSSTox Substance ID: DTXSID00226607
• Wikidata: Q83106082

Synonyms:2,3-Diphenylbenzo-1,4-dioxin;1,4-Benzodioxin,2,3-diphenyl-;75694-46-1;DTXSID00226607;2,3-Diphenyl-1,4-benzodioxine #

Chemical Property of 2,3-Diphenylbenzo-1,4-dioxin

Chemical Property:

• Vapor Pressure: 6.14E-07mmHg at 25°C
• Boiling Point: 422°Cat760mmHg
• Flash Point: 168.3°C
• PSA: 18.46000
• Density: 1.213g/cm³
• LogP: 4.98380
• XLogP3: 4.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 2
• Exact Mass: 286.099379685
• Heavy Atom Count: 22
• Complexity: 364

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2=C(OC3=CC=CC=C3O2)C4=CC=CC=C4

Technology Process of 2,3-Diphenylbenzo-1,4-dioxin

There total 3 articles about 2,3-Diphenylbenzo-1,4-dioxin 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: 35.0%

2,3-Diphenyl-2,3-dihydro-benzo[1,4]dioxin-2-ol (91201-75-1) → 2,3-diphenylbenzo-1,4-dioxin (75694-46-1)

Guidance literature:

With thionyl chloride; at 40 ℃;

DOI:10.1021/ol0274763

Reference yield:

benzene-1,2-diol (120-80-9,19481-10-8,37349-32-9) → 2,3-diphenylbenzo-1,4-dioxin (75694-46-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 80 percent / Et₃N

2: 35 percent / SOCl₂ / 40 °C

With thionyl chloride; triethylamine;

DOI:10.1021/ol0274763

Reference yield:

desyl bromide (1484-50-0) → 2,3-diphenylbenzo-1,4-dioxin (75694-46-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 80 percent / Et₃N

2: 35 percent / SOCl₂ / 40 °C

With thionyl chloride; triethylamine;

DOI:10.1021/ol0274763

upstream raw materials:

2,3-Diphenyl-2,3-dihydro-benzo[1,4]dioxin-2-ol

benzene-1,2-diol

desyl bromide

Downstream raw materials:

o-phenylene dibenzoate

2a,8a-dihydro-2a,8a-diphenylbenzo<1,2>dioxeto<3,4e><1,4>dioxin

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