5-BROMO-7-(5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-7-YL)-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE

Base Information

• Chemical Name: 5-BROMO-7-(5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-7-YL)-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE
• CAS No.: 287924-56-5
• Molecular Formula: C12H8 Br2 O4 S2
• Molecular Weight: 440.133
• Mol file: 287924-56-5.mol

Synonyms:5,5'-dibromo-2,2'-bis(3,4-ethylenedioxythiophene);5,5'-Bithieno[3,4-b]-1,4-dioxin,7,7'-dibromo-2,2',3,3'-tetrahydro;AmbkkkkK198;

Chemical Property of 5-BROMO-7-(5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-7-YL)-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE

Chemical Property:

• Boiling Point: 483.7±45.0 °C(Predicted)
• PSA: 93.40000
• Density: 1.965±0.06 g/cm3(Predicted)
• LogP: 4.54400

Purity/Quality:

99%, ^*data from raw suppliers

5-BROMO-7-(5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-7-YL)-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-BROMO-7-(5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-7-YL)-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE

There total 1 articles about 5-BROMO-7-(5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-7-YL)-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE 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: 65.0%

2,2'-bis(3,4-ethylenedioxythiophene) (195602-17-6) → 6,6′-dibromo-4,4′-bithieno[3,4-d][1,3]dioxole (287924-56-5)

Guidance literature:

With N-Bromosuccinimide; In N,N-dimethyl-formamide; at -15 ℃; for 1h;

DOI:10.1021/jo0345493

Reference yield: 29.03%

[2-isopropoxy-(6-methoxy)phenyl]boronic acid (870778-88-4) + 6,6′-dibromo-4,4′-bithieno[3,4-d][1,3]dioxole (287924-56-5) → C32H34O8S2 (1415917-14-4)

Guidance literature:

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; palladium diacetate; In tetrahydrofuran; toluene; at 110 ℃; for 8h; Inert atmosphere;

upstream raw materials:

2,2'-bis(3,4-ethylenedioxythiophene)

Downstream raw materials:

C₃₂H₃₄O₈S₂

Refernces