5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid

Base Information

Chemical Name:5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid
CAS No.:1630758-10-9
Molecular Formula:C₂₈H₂₈N₂O₈
Molecular Weight:520.539
Hs Code.:

Synonyms:5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid

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Chemical Property of 5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid

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Technology Process of 5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid

There total 3 articles about 5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic 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: 95.0%

: 1630758-11-0
tetraethyl 5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)-bis(azanediyl)diisophthalate

: 1630758-10-9
5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid

Guidance literature:: tetraethyl 5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)-bis(azanediyl)diisophthalate; With sodium hydroxide; In tetrahydrofuran; methanol; water; at 100 ℃; for 24h;

With hydrogenchloride; In water; pH=3-4;
DOI:10.1002/ejic.201402094

Reference yield:

: 95-93-2
1,2,4,5-tetramethylbenzene

: 1630758-10-9
5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: hydrogen bromide; acetic acid / water / 12.33 h / 85 - 95 °C

2.1: potassium carbonate / acetonitrile / 17 h / 10 - 20 °C / Inert atmosphere

3.1: sodium hydroxide / water; methanol; tetrahydrofuran / 24 h / 100 °C

3.2: pH 3-4

With hydrogen bromide; potassium carbonate; acetic acid; sodium hydroxide; In tetrahydrofuran; methanol; water; acetonitrile;
DOI:10.1002/ejic.201402094

Reference yield:

: 99-31-0
5-aminoisophthalic acid

: 1630758-10-9
5,5'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)bis(azanediyl)diisophthalic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: sulfuric acid / 12 h / 100 °C / Reflux

2.1: potassium carbonate / acetonitrile / 17 h / 10 - 20 °C / Inert atmosphere

3.1: sodium hydroxide / water; methanol; tetrahydrofuran / 24 h / 100 °C

3.2: pH 3-4

With sulfuric acid; potassium carbonate; sodium hydroxide; In tetrahydrofuran; methanol; water; acetonitrile;
DOI:10.1002/ejic.201402094