Technology Process of tetramethyl 4,4',4'',4'''-(4,4',4'',4'''-(benzene-1,2,4,5-tetrayl)tetrakis(butane-4,1-diyl))tetrakis(oxy)tetrakis(3-formylbenzoate)
There total 4 articles about tetramethyl 4,4',4'',4'''-(4,4',4'',4'''-(benzene-1,2,4,5-tetrayl)tetrakis(butane-4,1-diyl))tetrakis(oxy)tetrakis(3-formylbenzoate) 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:
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1269666-02-5
tetramethyl 4,4',4'',4'''-(4,4',4'',4'''-(benzene-1,2,4,5-tetrayl)tetrakis(butane-4,1-diyl))tetrakis(oxy)tetrakis(3-formylbenzoate)
- Guidance literature:
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Multi-step reaction with 2 steps
1: carbon tetrabromide; triphenylphosphine / dichloromethane / 0 °C / Inert atmosphere
2: potassium carbonate / N,N-dimethyl-formamide / 96 h / 60 °C / Inert atmosphere
With
carbon tetrabromide; potassium carbonate; triphenylphosphine;
In
dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/jccs.201000157
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1269666-02-5
tetramethyl 4,4',4'',4'''-(4,4',4'',4'''-(benzene-1,2,4,5-tetrayl)tetrakis(butane-4,1-diyl))tetrakis(oxy)tetrakis(3-formylbenzoate)
- Guidance literature:
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Multi-step reaction with 3 steps
1: palladium 10% on activated carbon; hydrogen / ethanol / 20 °C / 760.05 Torr
2: carbon tetrabromide; triphenylphosphine / dichloromethane / 0 °C / Inert atmosphere
3: potassium carbonate / N,N-dimethyl-formamide / 96 h / 60 °C / Inert atmosphere
With
carbon tetrabromide; palladium 10% on activated carbon; hydrogen; potassium carbonate; triphenylphosphine;
In
ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/jccs.201000157
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-
1269666-02-5
tetramethyl 4,4',4'',4'''-(4,4',4'',4'''-(benzene-1,2,4,5-tetrayl)tetrakis(butane-4,1-diyl))tetrakis(oxy)tetrakis(3-formylbenzoate)
- Guidance literature:
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Multi-step reaction with 4 steps
1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine; triphenylphosphine / tetrahydrofuran / 48 h / 50 °C / Inert atmosphere
2: palladium 10% on activated carbon; hydrogen / ethanol / 20 °C / 760.05 Torr
3: carbon tetrabromide; triphenylphosphine / dichloromethane / 0 °C / Inert atmosphere
4: potassium carbonate / N,N-dimethyl-formamide / 96 h / 60 °C / Inert atmosphere
With
bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; carbon tetrabromide; palladium 10% on activated carbon; hydrogen; potassium carbonate; triethylamine; triphenylphosphine;
In
tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide;
1: Sonogashira coupling;
DOI:10.1002/jccs.201000157
