tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

Base Information

Chemical Name:tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate
CAS No.:1417986-25-4
Molecular Formula:C₂₈H₄₀N₂O₈
Molecular Weight:532.634
Hs Code.:

Synonyms:tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

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Chemical Property of tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

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Technology Process of tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

There total 4 articles about tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate 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%

: 1445733-78-7
tert-butyl 2,2'-(2,2'-(2,5-bis[(trimethylsilyl)ethynyl]-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

: 1417986-25-4
tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

Guidance literature:: With potassium carbonate; In methanol; at 20 ℃; Reflux;
DOI:10.1039/c3cc43015d

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 1417986-25-4
tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

Guidance literature:: Multi-step reaction with 5 steps

1: acetonitrile / 20 °C

2: triethylamine / acetonitrile / 20 °C

3: potassium carbonate / N,N-dimethyl-formamide / 24 h / 80 °C / Reflux

4: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine / tetrahydrofuran / 12 h / 60 °C / Schlenk technique

5: potassium carbonate / methanol / 20 °C / Reflux

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; potassium carbonate; triethylamine; diisopropylamine; In tetrahydrofuran; methanol; N,N-dimethyl-formamide; acetonitrile; 4: |Sonogashira Cross-Coupling;
DOI:10.1039/c3cc43015d

Reference yield:

: 192132-77-7
2-(2-(tert-butoxycarbonylamino)ethoxy)ethyl 4-methylbenzenesulfonate

: 1417986-25-4
tert-butyl 2,2'-(2,2'-(2,5-diethynyl-1,4-phenylene)bis(oxy)bis(ethane-2,1-diyl))bis(oxy)bis(ethane-2,1-diyl)dicarbamate

Guidance literature:: Multi-step reaction with 3 steps

1: potassium carbonate / N,N-dimethyl-formamide / 24 h / 80 °C / Reflux

2: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine / tetrahydrofuran / 12 h / 60 °C / Schlenk technique

3: potassium carbonate / methanol / 20 °C / Reflux

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; potassium carbonate; diisopropylamine; In tetrahydrofuran; methanol; N,N-dimethyl-formamide; 2: |Sonogashira Cross-Coupling;
DOI:10.1039/c3cc43015d