25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene

Base Information

Chemical Name:25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene
CAS No.:1446482-16-1
Molecular Formula:C₄₈H₄₆Br₂N₄O₄
Molecular Weight:902.726
Hs Code.:

Synonyms:25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene

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Chemical Property of 25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene

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Technology Process of 25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene

There total 6 articles about 25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)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: 69.0%

: 2028-85-5
(4-bromophenyl)diazonium chloride

: 137571-15-4
11,23-di-tert-butylcalix<4>arene-25,26,27,28-tetrol

: 1446482-16-1
25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene

Guidance literature:: With sodium acetate; In tetrahydrofuran; water; N,N-dimethyl-formamide; at 0 ℃; for 10h;
DOI:10.1016/j.tet.2013.06.018

Reference yield:

: 106-40-1
4-bromo-aniline

: 1446482-16-1
25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1: hydrogenchloride; sodium nitrite / water / 2 h / 0 °C

2: sodium acetate / water; tetrahydrofuran; N,N-dimethyl-formamide / 10 h / 0 °C

With hydrogenchloride; sodium acetate; sodium nitrite; In tetrahydrofuran; water; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2013.06.018

Reference yield:

: 175912-54-6
25,27-dibenzoyl-26,28-dihydroxy-11,23-di-(tert-butyl)calix[4]arene

: 1446482-16-1
25,26,27,28-tetrahydroxy-11,23-di-(tert-butyl)-5,17-(4-bromophenylazo)calix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1: sodium hydroxide / ethanol; water; tetrahydrofuran / 24 h / 20 °C

2: sodium acetate / water; tetrahydrofuran; N,N-dimethyl-formamide / 10 h / 0 °C

With sodium acetate; sodium hydroxide; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2013.06.018