2,7-DIBROMO-3,6-DIMETHOXYNAPHTHALENE

Base Information

• Chemical Name: 2,7-DIBROMO-3,6-DIMETHOXYNAPHTHALENE
• CAS No.: 105404-89-5
• Molecular Formula: C12H10 Br2 O2
• Molecular Weight: 346.018
• Hs Code.: 2909309090
• Mol file: 105404-89-5.mol

Synonyms:2,7-Dibromo-3,6-dimethoxynaphthalene

Chemical Property of 2,7-DIBROMO-3,6-DIMETHOXYNAPHTHALENE

Chemical Property:

• Vapor Pressure: 2.43E-06mmHg at 25°C
• Melting Point: 131 °C
• Boiling Point: 403.1ºC at 760 mmHg
• Flash Point: 166.2 ºC
• PSA: 18.46000
• Density: 1.696 g/cm³
• LogP: 4.38200
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

2,7-Dibromo-3,6-dimethoxynaphthalene ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,7-DIBROMO-3,6-DIMETHOXYNAPHTHALENE

There total 4 articles about 2,7-DIBROMO-3,6-DIMETHOXYNAPHTHALENE 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: 95.0%

2,7-dibromo-3,6-dihydroxy naphthalene (96965-79-6) + methyl iodide (74-88-4) → 3,6-dibromo-2,7-dimethoxynaphthalene (105404-89-5)

Guidance literature:

With potassium hydroxide; In dimethyl sulfoxide;

DOI:10.1002/ejoc.201201329

Reference yield: 80.0%

2,7-dibromo-3,6-dihydroxy naphthalene (96965-79-6) + dimethyl sulfate (77-78-1) → 3,6-dibromo-2,7-dimethoxynaphthalene (105404-89-5)

Guidance literature:

With potassium hydroxide; at 100 ℃; for 0.75h; Inert atmosphere;

DOI:10.1002/hlca.201300187

Reference yield:

2,7-Dihydroxynaphthalene (582-17-2) → 3,6-dibromo-2,7-dimethoxynaphthalene (105404-89-5)

Guidance literature:

Multi-step reaction with 2 steps

1: bromine; tin; acetic acid

2: potassium hydroxide / 0.75 h / 100 °C / Inert atmosphere

With tin; bromine; acetic acid; potassium hydroxide;

DOI:10.1002/hlca.201300187

upstream raw materials:

2,7-dibromo-3,6-dihydroxy naphthalene

methyl iodide

2,7-Dihydroxynaphthalene

dimethyl sulfate

Downstream raw materials:

2,7-dimethoxy-3,6-bis(4-nitrophenyl) naphthalene

2,7-dimethoxy-3,6-bis((4-nitrophenyl)ethynyl)naphthalene

C₃₆H₂₈O₂

C₄₂H₄₄O₂Si₂