4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium

Base Information

Chemical Name:4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium
CAS No.:91788-24-8
Molecular Formula:C₂₀H₁₆O₁₁S₂
Molecular Weight:496.472
Hs Code.:

Synonyms:4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium

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Chemical Property of 4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium

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Technology Process of 4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium

There total 4 articles about 4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-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: 42.0%

: 91788-21-5
3-carboxy-1,5-bis-(4-methoxy-3-sulphophenyl)pentane-1,5-dione

: 91788-24-8
4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium

Guidance literature:: With trityl tetrafluoroborate; In acetic anhydride; acetic acid; for 0.333333h; Heating;
DOI:10.1039/P29840000857

Reference yield:

: 91788-20-4
sodium 5-acetyl-2-methoxybenzenesulphonate

: 91788-24-8
4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium

Guidance literature:: Multi-step reaction with 2 steps

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

2: 42 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:

: 100-06-1
1-(4-methoxyphenyl)ethanone

: 91788-24-8
4-carboxy-2-(4-methoxy-3-sulphonatophenyl)-6-(4-methoxy-3-sulphophenyl)pyrylium

Guidance literature:: Multi-step reaction with 3 steps

1: 40 percent / 30 percent fuming sulphuric acid, NaCl / 0.5 h / 25 °C

2: sodium hydroxide / H₂O / 24 h / 25 °C

3: 42 percent / trityl tetrafluoroborate / acetic acid; acetic anhydride / 0.33 h / Heating

With sodium hydroxide; sulfuric acid; trityl tetrafluoroborate; sodium chloride; In water; acetic anhydride; acetic acid;
DOI:10.1039/P29840000857