5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol

Base Information

Chemical Name:5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol
CAS No.:176038-90-7
Molecular Formula:C₇₀H₇₆O₈
Molecular Weight:1045.37
Hs Code.:

Synonyms:5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol

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Chemical Property of 5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol

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Technology Process of 5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol

There total 4 articles about 5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol 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: 90.0%

: 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

: 176038-86-1
1-(bromomethyl)-3,5-bis(prop-2-ynyloxy)benzene

: 176038-90-7
5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol

Guidance literature:: With potassium carbonate; In acetone; at 70 ℃; for 6h;
DOI:10.1021/jo952054a

Reference yield:

: 99-10-5
3,5-Dihydroxybenzoic acid

: 176038-90-7
5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol

Guidance literature:: Multi-step reaction with 4 steps

1: 97 percent / K₂CO₃ / toluene; dimethylformamide / 24 h / Ambient temperature

2: 98 percent / lithium aluminum hydride / tetrahydrofuran / 4 h / Ambient temperature

3: 1.) methanesulfonyl chloride, triethylamine, 2.) LiBr / 1.) CH₂Cl₂, 30 min, 2.) THF, 50 deg C, 30 min

4: 90 percent / K₂CO₃ / acetone / 6 h / 70 °C

With lithium aluminium tetrahydride; potassium carbonate; methanesulfonyl chloride; triethylamine; lithium bromide; In tetrahydrofuran; N,N-dimethyl-formamide; acetone; toluene;
DOI:10.1021/jo952054a

Reference yield:

: 176038-84-9
3,5-dipropargyloxybenzyl alcohol

: 176038-90-7
5,11,17,23-tetra-tert-butyl-25,27-bis[(3,5-bis(2-propynyloxy)benzyl)oxy]calix[4]arene-26,28-diol

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) methanesulfonyl chloride, triethylamine, 2.) LiBr / 1.) CH₂Cl₂, 30 min, 2.) THF, 50 deg C, 30 min

2: 90 percent / K₂CO₃ / acetone / 6 h / 70 °C

With potassium carbonate; methanesulfonyl chloride; triethylamine; lithium bromide; In acetone;
DOI:10.1021/jo952054a