Technology Process of 26,26,26,27,27,27-Hexafluoro-1alpha,25-dihydroxy-23-oxo-vitamin D3
There total 9 articles about 26,26,26,27,27,27-Hexafluoro-1alpha,25-dihydroxy-23-oxo-vitamin D3 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: 70 percent / dimethylsulfoxide / 0.5 h / 90 °C
2: 54 percent / DIBALH / tetrahydrofuran; hexane / -70 - 20 °C
3: 54 percent / diethyl ether / 0.17 h / 20 °C
4: 78 percent / TPAP; NMO; 4A MS / CH2Cl2 / 0.25 h / 20 °C
5: 41 percent / SeO2 / CH2Cl2; methanol / 2 h / Heating
6: 89 percent / imidazole / dimethylformamide / 3 h / 20 °C
7: 72 percent / Et3N; anthracene / toluene / 1 h / Irradiation
8: 82 percent / LiN(TMS)2 / tetrahydrofuran; hexane / 0.5 h / -70 °C
9: 83 percent / TsOH*H2O / methanol / 2 h / 20 °C
With
1H-imidazole; selenium(IV) oxide; N-methyl-2-indolinone; tetrapropylammonium perruthennate; anthracene; diisobutylaluminium hydride; toluene-4-sulfonic acid; triethylamine; lithium hexamethyldisilazane;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;
1: Substitution / 2: Reduction / 3: Grignard reaction / 4: Oxidation / 5: Oxidation / 6: Substitution / 7: Isomerization / 8: Condensation / 9: desilylation;
DOI:10.1016/S0968-0896(00)00106-1
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 54 percent / diethyl ether / 0.17 h / 20 °C
2: 78 percent / TPAP; NMO; 4A MS / CH2Cl2 / 0.25 h / 20 °C
3: 41 percent / SeO2 / CH2Cl2; methanol / 2 h / Heating
4: 89 percent / imidazole / dimethylformamide / 3 h / 20 °C
5: 72 percent / Et3N; anthracene / toluene / 1 h / Irradiation
6: 82 percent / LiN(TMS)2 / tetrahydrofuran; hexane / 0.5 h / -70 °C
7: 83 percent / TsOH*H2O / methanol / 2 h / 20 °C
With
1H-imidazole; selenium(IV) oxide; N-methyl-2-indolinone; tetrapropylammonium perruthennate; anthracene; toluene-4-sulfonic acid; triethylamine; lithium hexamethyldisilazane;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; N,N-dimethyl-formamide; toluene;
1: Grignard reaction / 2: Oxidation / 3: Oxidation / 4: Substitution / 5: Isomerization / 6: Condensation / 7: desilylation;
DOI:10.1016/S0968-0896(00)00106-1
![1α,3β-bis[(t-butyldimethylsilyl)oxy]-26,26,26,27,27,27-hexafluoro-23-oxo-9,10-secocholesta-5(Z),7(E),10(19)-trien-25-ol](/Databaselist/images/loading.webp)
