benzene-1,4-diyl bis(4-aminobenzoate)

Base Information

• Chemical Name: benzene-1,4-diyl bis(4-aminobenzoate)
• CAS No.: 22095-98-3
• Molecular Formula: C20H16N2O4
• Molecular Weight: 348.358
• Mol file: 22095-98-3.mol

Synonyms:

Chemical Property of benzene-1,4-diyl bis(4-aminobenzoate)

Chemical Property:

• Vapor Pressure: 9.3E-15mmHg at 25°C
• Boiling Point: 608.6°Cat760mmHg
• Flash Point: 286.3°C
• Density: 1.335g/cm³

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of benzene-1,4-diyl bis(4-aminobenzoate)

There total 4 articles about benzene-1,4-diyl bis(4-aminobenzoate) 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: 94.0%

1,4-bis-(4-nitro-benzoyloxy)-benzene (24706-98-7) → 1,4-Phenylene-di-4-aminobenzoate (22095-98-3)

Guidance literature:

nickel; In N,N-dimethyl-formamide; at 50 ℃; for 16h; under 15001.2 Torr;

Reference yield:

4-nitro-benzoyl chloride (122-04-3) → 1,4-Phenylene-di-4-aminobenzoate (22095-98-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 66 percent / pyridine / 24 h

2: 94 percent / Raney-Ni / dimethylformamide / 16 h / 50 °C / 15001.2 Torr

With pyridine; nickel; In N,N-dimethyl-formamide;

Reference yield:

hydroquinone (123-31-9,8027-02-9) → 1,4-Phenylene-di-4-aminobenzoate (22095-98-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 66 percent / pyridine / 24 h

2: 94 percent / Raney-Ni / dimethylformamide / 16 h / 50 °C / 15001.2 Torr

With pyridine; nickel; In N,N-dimethyl-formamide;

upstream raw materials:

1,4-bis-(4-nitro-benzoyloxy)-benzene

4-nitro-benzoyl chloride

hydroquinone

Refernces

• 1、 Jahromi, S.,Mijs, W. J.. "Liquid Crystalline Epoxide Thermosets". . p. 209 - 222. Retrieved 2007/10/02.