25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene

Base Information

Chemical Name:25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene
CAS No.:1395920-10-1
Molecular Formula:C₇₄H₈₄O₄
Molecular Weight:1037.48
Hs Code.:

Synonyms:25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene

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Chemical Property of 25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene

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Technology Process of 25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene

There total 3 articles about 25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[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: 85.0%

: 85694-28-6,132697-24-6
p-tert-butyl-1,3-dibenzyloxycalix[4]arene

: 104-81-4
4-Methylbenzyl bromide

: 1395920-10-1
25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene

Guidance literature:: p-tert-butyl-1,3-dibenzyloxycalix[4]arene; With sodium hydride; In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil; at 25 ℃; for 0.333333h; Inert atmosphere;

4-Methylbenzyl bromide; In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil; at 70 ℃; for 2h; Inert atmosphere;
DOI:10.3184/174751912X13371837407801

Reference yield:

: 157432-87-6,288302-11-4,288302-12-5,60705-62-6
5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene

: 1395920-10-1
25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium hydride / N,N-dimethyl-formamide / 6 h / 25 °C / Inert atmosphere

2.1: sodium hydride / tetrahydrofuran; N,N-dimethyl-formamide; mineral oil / 0.33 h / 25 °C / Inert atmosphere

2.2: 2 h / 70 °C / Inert atmosphere

With lithium hydride; sodium hydride; In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil;
DOI:10.3184/174751912X13371837407801

Reference yield:

: 100-39-0
benzyl bromide

: 1395920-10-1
25,27-bis(4-methylbenzyloxy)-26,28-bis(benzyloxy)-p-t-butylcalix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium hydride / N,N-dimethyl-formamide / 6 h / 25 °C / Inert atmosphere

2.1: sodium hydride / tetrahydrofuran; N,N-dimethyl-formamide; mineral oil / 0.33 h / 25 °C / Inert atmosphere

2.2: 2 h / 70 °C / Inert atmosphere

With lithium hydride; sodium hydride; In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil;
DOI:10.3184/174751912X13371837407801