4,4',4'',4'''-(pyrazine-2,3,5,6-tetrayl)tetrabenzoic acid

Base Information

• Chemical Name: 4,4',4'',4'''-(pyrazine-2,3,5,6-tetrayl)tetrabenzoic acid
• CAS No.: 2089016-10-2
• Molecular Formula: C₃₂H₂₀N₂O₈
• Molecular Weight: 560.519
• Mol file: 2089016-10-2.mol

Synonyms:

Chemical Property of 4,4',4'',4'''-(pyrazine-2,3,5,6-tetrayl)tetrabenzoic acid

Chemical Property:

• Boiling Point: 777.4±60.0 °C(Predicted)
• PKA: 2.81±0.10(Predicted)
• Density: 1.447±0.06 g/cm3(Predicted)

Purity/Quality:

≥99% ^*data from raw suppliers

4,4'',4'''',4''''''-(Pyrazine-2,3,5,6-tetrayl)tetrabenzoicacid 95%+ ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4,4',4'',4'''-(pyrazine-2,3,5,6-tetrayl)tetrabenzoic acid

There total 3 articles about 4,4',4'',4'''-(pyrazine-2,3,5,6-tetrayl)tetrabenzoic acid 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: 99.0%

tetramethyl(4,4’,4’’,4'''-(pyrazine-2,3,5,6-tetrayl))tetrabenzoate → tetramethyl(4,4′,4″,4?-(pyrazine-2,3,5,6-tetrayl))tetrabenzoic acid (2089016-10-2)

Guidance literature:

tetramethyl(4,4’,4’’,4'''-(pyrazine-2,3,5,6-tetrayl))tetrabenzoate; With potassium hydroxide; In water; isopropyl alcohol;

With hydrogenchloride;

DOI:10.1002/cphc.201800936

Reference yield:

methyl 4-formylbenzoate (1571-08-0) → tetramethyl(4,4′,4″,4?-(pyrazine-2,3,5,6-tetrayl))tetrabenzoic acid (2089016-10-2)

Guidance literature:

Multi-step reaction with 3 steps

1: vitamin B₁; sodium hydroxide / water; methanol / 2.25 h / Heating

2: acetic acid; ammonium acetate; acetic anhydride / 120 °C

3: water; sodium hydroxide / tetrahydrofuran / 90 °C

With ammonium acetate; vitamin B₁; water; acetic anhydride; acetic acid; sodium hydroxide; In tetrahydrofuran; methanol; water;

DOI:10.1039/c8ta10610j

Reference yield:

dimethyl 4,4′-(1-hydroxy-2-oxoethane-1,2-diyl)dibenzoate (40742-02-7) → tetramethyl(4,4′,4″,4?-(pyrazine-2,3,5,6-tetrayl))tetrabenzoic acid (2089016-10-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: ammonium acetate; acetic acid

1.2: 140 °C

2.1: potassium hydroxide / water; isopropyl alcohol

With ammonium acetate; acetic acid; potassium hydroxide; In water; isopropyl alcohol;

DOI:10.1002/cphc.201800936

upstream raw materials:

methyl 4-formylbenzoate

dimethyl 4,4′-(1-hydroxy-2-oxoethane-1,2-diyl)dibenzoate