4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium

Base Information

• Chemical Name: 4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium
• CAS No.: 91788-25-9
• Molecular Formula: C₁₈H₁₂O₉S₂
• Molecular Weight: 436.42

Synonyms:4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium

Chemical Property of 4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium

Chemical Property:

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Technology Process of 4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium

There total 3 articles about 4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium 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: 51.0%

3-carboxy-1,5-bis-(4-sulphophenyl)pentane-1,5-dione (91788-23-7) → 4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium (91788-25-9)

Guidance literature:

With trityl tetrafluoroborate; In acetic anhydride; acetic acid; for 0.333333h; Heating;

DOI:10.1039/P29840000857

Reference yield:

sodium 4-acetylbenzenesulfonate (61827-67-6) → 4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium (91788-25-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 76 percent / sodium hydroxide / H₂O / 24 h / 25 °C

2: 51 percent / trityl tetrafluoroborate / acetic acid; acetic anhydride / 0.33 h / Heating

With sodium hydroxide; trityl tetrafluoroborate; In water; acetic anhydride; acetic acid;

DOI:10.1039/P29840000857

Reference yield:

C18H11O10S2(3-) → 4-carboxy-2-(4-sulphonatophenyl)-6-(4-sulphophenyl)-6-(4-sulphophenyl)pyrylium (91788-25-9)

Guidance literature:

In water; at 25 ℃; Rate constant; Equilibrium constant; var. pH;

upstream raw materials:

3-carboxy-1,5-bis-(4-sulphophenyl)pentane-1,5-dione

sodium 4-acetylbenzenesulfonate

Downstream raw materials:

2,6-Bis-(4-sulfo-phenyl)-isonicotinic acid; compound with perchloric acid

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