Technology Process of 11-hydroxymethyl-3,7,15,19,23,27-hexamethyloctaeicosa-2Z,6Z,10E,14E,18E,22E,26-hepten-1-ol benzyl ester
There total 16 articles about 11-hydroxymethyl-3,7,15,19,23,27-hexamethyloctaeicosa-2Z,6Z,10E,14E,18E,22E,26-hepten-1-ol benzyl 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:
-
-
89503-39-9
11-formyl-3,7,15,19,23,27-hexamethyloctaeicosa-2Z,6Z,10E,14E,18E,22E,26-hepten-1-ol benzyl ester
-
-
89503-41-3
11-hydroxymethyl-3,7,15,19,23,27-hexamethyloctaeicosa-2Z,6Z,10E,14E,18E,22E,26-hepten-1-ol benzyl ester
- Guidance literature:
-
With
sodium tetrahydroborate;
DOI:10.1016/S0040-4039(00)94132-7
-
-
89503-41-3
11-hydroxymethyl-3,7,15,19,23,27-hexamethyloctaeicosa-2Z,6Z,10E,14E,18E,22E,26-hepten-1-ol benzyl ester
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 88 percent / PBr3, pyridine / diethyl ether / -10 °C
2: 80 percent
3: 84.5 percent / n-BuLi / hexane; tetrahydrofuran / 1.5 h / -70 °C
4: 83 percent / Li, NH3 / diethyl ether / 4 h / -25 °C
5: 86 percent / H2SO4 (conc.) / acetone; H2O / 4 h / Heating
6: 1.41 g / diethyl ether / 1 h / 20 °C
7: 2.5 g / n-BuLi, i-PrNH2 / hexane; diethyl ether / -70 deg C, 2.5 h -> -35 deg C, 1 h -> 20 deg C, 1 h
8: 90 percent / NaBH4 / 2 h / 20 °C
With
pyridine; sodium tetrahydroborate; n-butyllithium; sulfuric acid; ammonia; phosphorus tribromide; lithium; isopropylamine;
In
tetrahydrofuran; diethyl ether; hexane; water; acetone;
DOI:10.1007/BF00956241
-
-
89503-41-3
11-hydroxymethyl-3,7,15,19,23,27-hexamethyloctaeicosa-2Z,6Z,10E,14E,18E,22E,26-hepten-1-ol benzyl ester
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 80 percent
2: 84.5 percent / n-BuLi / hexane; tetrahydrofuran / 1.5 h / -70 °C
3: 83 percent / Li, NH3 / diethyl ether / 4 h / -25 °C
4: 86 percent / H2SO4 (conc.) / acetone; H2O / 4 h / Heating
5: 1.41 g / diethyl ether / 1 h / 20 °C
6: 2.5 g / n-BuLi, i-PrNH2 / hexane; diethyl ether / -70 deg C, 2.5 h -> -35 deg C, 1 h -> 20 deg C, 1 h
7: 90 percent / NaBH4 / 2 h / 20 °C
With
sodium tetrahydroborate; n-butyllithium; sulfuric acid; ammonia; lithium; isopropylamine;
In
tetrahydrofuran; diethyl ether; hexane; water; acetone;
DOI:10.1007/BF00956241