5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene

Base Information

• Chemical Name: 5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene
• CAS No.: 909107-20-6
• Molecular Formula: C₅₄H₄₀N₈O₁₂
• Molecular Weight: 992.958

Synonyms:5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene

Chemical Property of 5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene

Chemical Property:

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Technology Process of 5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene

There total 2 articles about 5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[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: 81.0%

25,27-dibenzyl-26,28-calix[4]diquinone (217797-67-6) + (2,4-dinitro-phenyl)-hydrazine (119-26-6) → 5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene (909107-20-6)

Guidance literature:

With sulfuric acid; In ethanol; chloroform; at 20 ℃; for 4h;

DOI:10.1016/j.tet.2006.05.040

Reference yield:

25,27-bis(benzyloxy)-26,28-dihydroxycalix[4]arene (125065-63-6,134309-08-3) → 5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene (909107-20-6)

Guidance literature:

Multi-step reaction with 2 steps

1: ClO₂ / 20 °C

2: 81 percent / aq. H₂SO₄ / CHCl₃; ethanol / 4 h / 20 °C

With sulfuric acid; chlorine dioxide; In ethanol; chloroform;

DOI:10.1016/j.tet.2006.05.040

Reference yield: 71.0%

5,17-bis(2',4'-dinitrophenylazo)-25,27-dibenzyloxy-26,28-dihydroxycalix[4]arene (909107-20-6) + acetic anhydride (108-24-7) → 5,17-bis(2',4'-dinitrophenylazo)-26,28-diacetyloxy-25,27-dibenzyloxycalix[4]arene

Guidance literature:

With pyridine; In dichloromethane; at 20 ℃; for 24h;

DOI:10.1016/j.tet.2006.05.040

upstream raw materials:

25,27-dibenzyl-26,28-calix[4]diquinone

(2,4-dinitro-phenyl)-hydrazine

25,27-bis(benzyloxy)-26,28-dihydroxycalix[4]arene

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