5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Base Information

• Chemical Name: 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine
• CAS No.: 640737-72-0
• Molecular Formula: C6H4I2O2S
• Molecular Weight: 393.9687
• Hs Code.: 2934999090
• Mol file: 640737-72-0.mol

Synonyms:5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine;2,5-diiodo-3,4-ethylenedioxythiophene

Chemical Property of 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Chemical Property:

• Melting Point: 183 °C
• Boiling Point: 355.0±42.0 °C(Predicted)
• PSA: 46.70000
• Density: 2.592±0.06 g/cm3(Predicted)
• LogP: 2.72850

Purity/Quality:

98%min ^*data from raw suppliers

5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine 95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine is a useful compound in the development of a polymerization method for poly(3,4-ethylenedioxythiophene).

Technology Process of 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine

There total 3 articles about 5,7-Diiodo-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: 93.0%

3,4-(ethylenedioxy)thiophene (126213-50-1) → 2,5-diiodo-3,4-ethylenedioxythiophene (640737-72-0)

Guidance literature:

With iodine monochloride-pyridine; In dichloromethane; at 20 ℃; for 1h;

DOI:10.1021/ma0611523

Reference yield: 55.0%

2,5-diacetoxymercuro-3,4-ethylenedioxythiophene (640737-73-1) → 2,5-diiodo-3,4-ethylenedioxythiophene (640737-72-0)

Guidance literature:

With iodine; In acetonitrile; at 20 ℃; for 2h;

DOI:10.1021/ja037115y

Reference yield:

3,4-(ethylenedioxy)thiophene (126213-50-1) → 2,5-diiodo-3,4-ethylenedioxythiophene (640737-72-0) + 5-iodo-2,3-dihydrothieno[3,4-b][1,4]dioxine (219621-78-0)

Guidance literature:

With N-iodo-succinimide; toluene-4-sulfonic acid; In ethanol; at 25 ℃; for 0.166667h; Green chemistry;

DOI:10.1055/s-0035-1560480

upstream raw materials:

3,4-(ethylenedioxy)thiophene

2,5-diacetoxymercuro-3,4-ethylenedioxythiophene