1,4-DIIODO-2,5-DIMETHOXYBENZENE

Base Information

• Chemical Name: 1,4-DIIODO-2,5-DIMETHOXYBENZENE
• CAS No.: 51560-21-5
• Molecular Formula: C8H8I2O2
• Molecular Weight: 389.959
• Hs Code.: 2909309090
• Mol file: 51560-21-5.mol

Synonyms:1,4-Diiodo-2,5-dimethoxybenzene;2,5-Diiodo-1,4-dimethoxybenzene;

Chemical Property of 1,4-DIIODO-2,5-DIMETHOXYBENZENE

Chemical Property:

• Vapor Pressure: 1.01E-05mmHg at 25°C
• Melting Point: 171 °C
• Refractive Index: 1.64
• Boiling Point: 382.9 °C at 760 mmHg
• Flash Point: 185.4 °C
• PSA: 18.46000
• Density: 2.147 g/cm³
• LogP: 2.91300
• Storage Temp.: 2-8°C(protect from light)

Purity/Quality:

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

1,4-Diiodo-2,5-dimethoxybenzene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: R36/37/38:Irritating to eyes, respiratory system and skin.
• Safety Statements: S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S37/39:Wear suitable g

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,4-DIIODO-2,5-DIMETHOXYBENZENE

There total 9 articles about 1,4-DIIODO-2,5-DIMETHOXYBENZENE 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: 76.0%

1-iodo-2,4-dimethoxybenzene (25245-35-6) → 1,4-diiodo-2,5-dimethoxybenzene (51560-21-5)

Guidance literature:

With sulfuric acid; iodine; iodic acid; acetic acid; In tetrachloromethane; water; for 24h; Heating;

DOI:10.1002/anie.200502214

Reference yield: 57.0%

1,4-dimethoxybezene (150-78-7) → 1,4-diiodo-2,5-dimethoxybenzene (51560-21-5) + 1-iodo-2,4-dimethoxybenzene (25245-35-6)

Guidance literature:

With sulfuric acid; iodine; In acetonitrile; at 0 ℃; for 0.5h; regioselective reaction; Electrolysis; Flow reactor;

DOI:10.1021/op800155m

Reference yield: 31.0%

1,4-dimethoxybezene (150-78-7) → 2-chloro-1,4-dimethoxybenzene (2100-42-7) + 1,4-diiodo-2,5-dimethoxybenzene (51560-21-5) + 1-iodo-2,4-dimethoxybenzene (25245-35-6)

Guidance literature:

With Iodine monochloride; In acetic acid; at 70 ℃; for 4h;

DOI:10.1021/op025566h

upstream raw materials:

1-iodo-2,4-dimethoxybenzene

1,4-dimethoxybezene

4-methoxyphenyl p-toluenesulfonate

3-iodo-4-methoxyphenol

Downstream raw materials:

1,4-Dimethoxy-2,5-bis-(4-nitro-phenylethynyl)-benzene

2,5-bis(3'-hydroxy-3'-methyl-1'-butynyl)-1,4-dimethoxybenzene

2,5-di-(p-anisylethynyl)-1,4-dimethoxybenzene

2-(4-Dicyanomethyl-2,5-dimethoxy-phenyl)-malononitrile

Refernces

• 1、 Midorikawa, Koji,Suga, Seiji,Yoshida, Jun-Ichi. "Selective monoiodination of aromatic compounds with electrochemically generated I+ using micromixing". . p. 3794 - 3796. Retrieved 2007/10/03.
• 2、 Yamaguchi, Yoshihiro,Kobayashi, Shigeya,Wakamiya, Tateaki,Matsubara, Yoshio,Yoshida, Zen-Ichi. "Banana-shaped oligo(aryleneethynylene)s: Synthesis and light-emitting characteristics". . p. 7040 - 7044. Retrieved 2007/10/03.