bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

Base Information

Chemical Name:bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene
CAS No.:226547-09-7
Molecular Formula:C₆₄H₅₂O₁₈S₄
Molecular Weight:1237.37
Hs Code.:

Synonyms:bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

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Chemical Property of bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

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Technology Process of bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

There total 4 articles about bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene 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: 34.0%

: 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

: 226547-09-7
bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

Guidance literature:: With oxalyl dichloride; In dichloromethane; for 10h; Heating;
DOI:10.1021/jo9822636

Reference yield:

: 98-59-9
p-toluenesulfonyl chloride

: 226547-09-7
bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

Guidance literature:: Multi-step reaction with 3 steps

1: 67 percent / 1-methylimidazole / acetonitrile / 120 h / 20 °C

2: 93 percent / AcOH; H₂SO₄ / H₂O / 10 h / Heating

3: 34 percent / (COCl)2 / CH₂Cl₂ / 10 h / Heating

With 1-methyl-1H-imidazole; oxalyl dichloride; sulfuric acid; acetic acid; In dichloromethane; water; acetonitrile; 1: Substitution / 2: Hydrolysis / 3: Dehydration;
DOI:10.1021/jo9822636

Reference yield:

: 157749-24-1,479092-35-8,115421-59-5
p-cyanomethylcalix[4]arene

: 226547-09-7
bisanhydride of 5,11,17,23-tetrakis(carboxymethyl)-25,26,27,28-tetrakis(4'-methylbenzenesulfonyl)calix[4]arene

Guidance literature:: Multi-step reaction with 3 steps

1: 67 percent / 1-methylimidazole / acetonitrile / 120 h / 20 °C

2: 93 percent / AcOH; H₂SO₄ / H₂O / 10 h / Heating

3: 34 percent / (COCl)2 / CH₂Cl₂ / 10 h / Heating

With 1-methyl-1H-imidazole; oxalyl dichloride; sulfuric acid; acetic acid; In dichloromethane; water; acetonitrile; 1: Substitution / 2: Hydrolysis / 3: Dehydration;
DOI:10.1021/jo9822636