dibromoTPD (heptyl)

Base Information

• Chemical Name: dibromoTPD (heptyl)
• CAS No.: 1427705-63-2
• Molecular Formula: C₁₃H₁₅Br₂NO₂S
• Molecular Weight: 409.142
• Mol file: 1427705-63-2.mol

Synonyms:

Chemical Property of dibromoTPD (heptyl)

Chemical Property:

• Melting Point: 101-106°C
• Storage Temp.: 2-8°C

Purity/Quality:

98.5% ^*data from raw suppliers

1,3-Dibromo-5-heptyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione 99% (HPLC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of dibromoTPD (heptyl)

There total 3 articles about dibromoTPD (heptyl) 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: 86.0%

1-Heptylamine (111-68-2) + 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde (1015423-45-6) → 1,3-dibromo-5-(n-heptyl)-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione (1427705-63-2)

Guidance literature:

1-Heptylamine; 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde; In tetrahydrofuran; at 50 ℃; for 3h; Inert atmosphere;

With thionyl chloride; In tetrahydrofuran; at 55 ℃; for 4h; Inert atmosphere;

DOI:10.1021/ja400365b

Reference yield:

thiophene-3,4-dicarboxylic acid (4282-29-5) → 1,3-dibromo-5-(n-heptyl)-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione (1427705-63-2)

Guidance literature:

Multi-step reaction with 3 steps

1.1: acetic acid; bromine / Inert atmosphere

2.1: acetic anhydride / Inert atmosphere

3.1: tetrahydrofuran / 3 h / 50 °C / Inert atmosphere

3.2: 4 h / 55 °C / Inert atmosphere

With bromine; acetic anhydride; acetic acid; In tetrahydrofuran;

DOI:10.1021/ja400365b

Reference yield:

2,5-dibromo-3,4-dicarboxylic acid thiophene (190723-12-7) → 1,3-dibromo-5-(n-heptyl)-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione (1427705-63-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: acetic anhydride / Inert atmosphere

2.1: tetrahydrofuran / 3 h / 50 °C / Inert atmosphere

2.2: 4 h / 55 °C / Inert atmosphere

With acetic anhydride; In tetrahydrofuran;

DOI:10.1021/ja400365b

upstream raw materials:

1-Heptylamine

2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde

thiophene-3,4-dicarboxylic acid

2,5-dibromo-3,4-dicarboxylic acid thiophene

Refernces