Technology Process of (2E,4E,6E,8E)-9-[2-(1-Ethoxy-ethoxymethyl)-6,6-dimethyl-cyclohex-1-enyl]-3,7-dimethyl-nona-2,4,6,8-tetraenoic acid ethyl ester
There total 12 articles about (2E,4E,6E,8E)-9-[2-(1-Ethoxy-ethoxymethyl)-6,6-dimethyl-cyclohex-1-enyl]-3,7-dimethyl-nona-2,4,6,8-tetraenoic acid ethyl ester 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:
-
Multi-step reaction with 9 steps
1: 1.) n-butyllithium / 1.) THF, hexane, -65 - 0 deg C, 2.) -65 deg C up to room temp., 1 h
2: 1 N H2SO4 / acetone / 0.5 h
3: LiAlH4 / diethyl ether / 3 h / Ambient temperature
4: pyridine / diethyl ether / 2 h / Ambient temperature
5: 99 percent / CH2Cl2 / 1 h / Ambient temperature
6: sodium methoxide / CH2Cl2; methanol / 0.17 h / 0 - 5 °C
7: triethylamine / bis(benzonitrile)palladium dichloride / acetonitrile / 1 h / Ambient temperature
8: 13.4 g / potassium hydroxide / methanol; H2O / 0.17 h / Ambient temperature
9: p-toluenesulfonic acid / diethyl ether / 0.17 h / Ambient temperature
With
pyridine; potassium hydroxide; lithium aluminium tetrahydride; n-butyllithium; sulfuric acid; sodium methylate; toluene-4-sulfonic acid; triethylamine;
bis(benzonitrile)palladium(II) dichloride;
In
methanol; diethyl ether; dichloromethane; water; acetone; acetonitrile;
DOI:10.1021/jo00348a043
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 90 percent / potassium carbonate / acetone / 6 h / Heating
2: 1.) n-butyllithium / 1.) THF, hexane, -65 - 0 deg C, 2.) -65 deg C up to room temp., 1 h
3: 1 N H2SO4 / acetone / 0.5 h
4: LiAlH4 / diethyl ether / 3 h / Ambient temperature
5: pyridine / diethyl ether / 2 h / Ambient temperature
6: 99 percent / CH2Cl2 / 1 h / Ambient temperature
7: sodium methoxide / CH2Cl2; methanol / 0.17 h / 0 - 5 °C
8: triethylamine / bis(benzonitrile)palladium dichloride / acetonitrile / 1 h / Ambient temperature
9: 13.4 g / potassium hydroxide / methanol; H2O / 0.17 h / Ambient temperature
10: p-toluenesulfonic acid / diethyl ether / 0.17 h / Ambient temperature
With
pyridine; potassium hydroxide; lithium aluminium tetrahydride; n-butyllithium; sulfuric acid; sodium methylate; potassium carbonate; toluene-4-sulfonic acid; triethylamine;
bis(benzonitrile)palladium(II) dichloride;
In
methanol; diethyl ether; dichloromethane; water; acetone; acetonitrile;
DOI:10.1021/jo00348a043
- Guidance literature:
-
Multi-step reaction with 7 steps
1: LiAlH4 / diethyl ether / 3 h / Ambient temperature
2: pyridine / diethyl ether / 2 h / Ambient temperature
3: 99 percent / CH2Cl2 / 1 h / Ambient temperature
4: sodium methoxide / CH2Cl2; methanol / 0.17 h / 0 - 5 °C
5: triethylamine / bis(benzonitrile)palladium dichloride / acetonitrile / 1 h / Ambient temperature
6: 13.4 g / potassium hydroxide / methanol; H2O / 0.17 h / Ambient temperature
7: p-toluenesulfonic acid / diethyl ether / 0.17 h / Ambient temperature
With
pyridine; potassium hydroxide; lithium aluminium tetrahydride; sodium methylate; toluene-4-sulfonic acid; triethylamine;
bis(benzonitrile)palladium(II) dichloride;
In
methanol; diethyl ether; dichloromethane; water; acetonitrile;
DOI:10.1021/jo00348a043