2,7-DIPHENYL[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE

Base Information

• Chemical Name: 2,7-DIPHENYL[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE
• CAS No.: 900806-58-8
• Molecular Formula: C₂₆H₁₆S₂
• Molecular Weight: 392.545
• Mol file: 900806-58-8.mol

Synonyms:DPh-BTBT;

Chemical Property of 2,7-DIPHENYL[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Melting Point: 363-368 °C
• Boiling Point: 632.292°C at 760 mmHg
• Flash Point: 119 °C
• PSA: 56.48000
• Density: 1.303g/cm³
• LogP: 8.60320

Purity/Quality:

98%,99%, ^*data from raw suppliers

2,7-Diphenyl[1]benzothieno[3,2-b][1]benzothiophene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 22-36
• Safety Statements: 26

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,7-DIPHENYL[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE

There total 2 articles about 2,7-DIPHENYL[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE 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: 52.0%

2,7-diiodobenzo[b]benzo[4,5]thieno[2,3-d]thiophene (900806-57-7) + phenylboronic acid (98-80-6) → 2,7-diphenyl[1]benzothieno[3,2-b][1]benzothiophene (900806-58-8)

Guidance literature:

2,7-diiodobenzo[b]benzo[4,5]thieno[2,3-d]thiophene; phenylboronic acid; With potassium phosphate; In N,N-dimethyl-formamide; for 0.5h;

Pd(PPh₃); In N,N-dimethyl-formamide; at 85 ℃; for 9h; Further stages.;

DOI:10.1021/ja064052l

Reference yield:

2,7-diaminobenzothieno<3,2-b>benzothiophene (74121-15-6) → 2,7-diphenyl[1]benzothieno[3,2-b][1]benzothiophene (900806-58-8)

Guidance literature:

Multi-step reaction with 2 steps

1.1: NaNO₂; H₂SO₄ / ethanol; H₂O / 1 h / 5 °C

1.2: 71 percent / KI / H₂O; ethanol / 3 h / Heating

2.1: K₃PO₄*nH₂O / dimethylformamide / 0.5 h

2.2: 52 percent / Pd(PPh₃) / dimethylformamide / 9 h / 85 °C

With potassium phosphate; sulfuric acid; sodium nitrite; In ethanol; water; N,N-dimethyl-formamide;

DOI:10.1021/ja064052l

upstream raw materials:

2,7-diiodobenzo[b]benzo[4,5]thieno[2,3-d]thiophene

phenylboronic acid

2,7-diaminobenzothieno<3,2-b>benzothiophene

Refernces

• 1、 -. "NOVEL CONDENSED POLYCYCLIC AROMATIC COMPOUND AND USE THEREOF". Page/Page column 15; 25-26. . Retrieved 2008/06/13.