5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[4]arene

Base Information

Chemical Name:5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[4]arene
CAS No.:1415840-80-0
Molecular Formula:C₆₇H₇₇BrO₄
Molecular Weight:1026.25
Hs Code.:

Synonyms:5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[4]arene

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Chemical Property of 5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[4]arene

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Technology Process of 5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[4]arene

There total 2 articles about 5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[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: 70.0%

: 135501-37-0,135394-95-5
5,11,17,23-tetra-tert-butyl-25,26,27-tris(benzyloxy)-28-hydroxycalix<4>arene

: 106-93-4
ethylene dibromide

: 1415840-80-0
5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[4]arene

Guidance literature:: 5,11,17,23-tetra-tert-butyl-25,26,27-tris(benzyloxy)-28-hydroxycalix<4>arene; With lithium hydride; In N,N-dimethyl-formamide; at 55 ℃; for 1h;

ethylene dibromide; In N,N-dimethyl-formamide; at 55 ℃; for 10h;
DOI:10.3184/174751912X13418247519819

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

: 100-44-7
benzyl chloride

: 1415840-80-0
5,11,17,23-tetra-t-butyl-25-O-(2-bromoethyl)-26,27,28-tri-O-benzylcalix[4]arene

Guidance literature:: Multi-step reaction with 2 steps

1.1: barium(II) oxide; barium hydroxide octahydrate / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere

1.2: 8 h / Inert atmosphere

2.1: lithium hydride / N,N-dimethyl-formamide / 1 h / 55 °C

2.2: 10 h / 55 °C

With barium hydroxide octahydrate; lithium hydride; barium(II) oxide; In N,N-dimethyl-formamide;
DOI:10.3184/174751912X13418247519819