Technology Process of 4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene
There total 4 articles about 4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene 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:
- Guidance literature:
-
With
sodium ethanolate;
In
ethanol; dichloromethane;
at 20 ℃;
for 12h;
Inert atmosphere;
DOI:10.1039/c5nj01525a
- Guidance literature:
-
Multi-step reaction with 4 steps
1: sodium hydroxide; tetrabutylammomium bromide / hexane; water / 12 h / Reflux
2: hydrogen bromide; acetic acid / 4 h / 70 °C
3: N,N-dimethyl-formamide / 12 h / 80 °C
4: sodium ethanolate / ethanol; dichloromethane / 12 h / 20 °C / Inert atmosphere
With
tetrabutylammomium bromide; hydrogen bromide; sodium ethanolate; acetic acid; sodium hydroxide;
In
ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide;
4: |Wittig Olefination;
DOI:10.1039/c5nj01525a
- Guidance literature:
-
Multi-step reaction with 3 steps
1: hydrogen bromide; acetic acid / 4 h / 70 °C
2: N,N-dimethyl-formamide / 12 h / 80 °C
3: sodium ethanolate / ethanol; dichloromethane / 12 h / 20 °C / Inert atmosphere
With
hydrogen bromide; sodium ethanolate; acetic acid;
In
ethanol; dichloromethane; N,N-dimethyl-formamide;
3: |Wittig Olefination;
DOI:10.1039/c5nj01525a
