Technology Process of (4S,6R)-4-{[(4-methoxyphenyl)methoxy]methyl}-2,2-dimethyl-6-{2-[4-(phenylmethoxy)phenyl]ethyl}-1,3-dioxane
There total 10 articles about (4S,6R)-4-{[(4-methoxyphenyl)methoxy]methyl}-2,2-dimethyl-6-{2-[4-(phenylmethoxy)phenyl]ethyl}-1,3-dioxane 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
toluene-4-sulfonic acid;
In
dichloromethane;
at 20 ℃;
for 0.5h;
DOI:10.1002/hlca.201200165
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere
1.2: 3 h / -78 °C
2.1: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 0 °C / Reflux
3.1: titanium(IV) isopropylate; L-(+)-diisopropyl tartrate / dichloromethane / 0.5 h / -20 °C / Molecular sieve
3.2: 5 h / -20 °C
4.1: titanium(IV) isopropylate; D-(-)-diisopropyl tartrate / dichloromethane / 0.5 h / -20 °C / Molecular sieve
4.2: 6 h / -20 °C
5.1: sodium bis(2-methoxyethoxy)aluminium dihydride / tetrahydrofuran; toluene / 2 h / 0 - 20 °C / Inert atmosphere
6.1: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C
With
titanium(IV) isopropylate; lithium aluminium tetrahydride; n-butyllithium; L-(+)-diisopropyl tartrate; D-(-)-diisopropyl tartrate; toluene-4-sulfonic acid; sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; hexane; dichloromethane; toluene;
3.1: |Sharpless Asymmetric Epoxidation / 3.2: |Sharpless Asymmetric Epoxidation / 4.1: |Sharpless Asymmetric Epoxidation / 4.2: |Sharpless Asymmetric Epoxidation;
DOI:10.1002/hlca.201200165
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 0 °C / Reflux
2.1: titanium(IV) isopropylate; L-(+)-diisopropyl tartrate / dichloromethane / 0.5 h / -20 °C / Molecular sieve
2.2: 5 h / -20 °C
3.1: titanium(IV) isopropylate; D-(-)-diisopropyl tartrate / dichloromethane / 0.5 h / -20 °C / Molecular sieve
3.2: 6 h / -20 °C
4.1: sodium bis(2-methoxyethoxy)aluminium dihydride / tetrahydrofuran; toluene / 2 h / 0 - 20 °C / Inert atmosphere
5.1: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C
With
titanium(IV) isopropylate; lithium aluminium tetrahydride; L-(+)-diisopropyl tartrate; D-(-)-diisopropyl tartrate; toluene-4-sulfonic acid; sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; dichloromethane; toluene;
2.1: |Sharpless Asymmetric Epoxidation / 2.2: |Sharpless Asymmetric Epoxidation / 3.1: |Sharpless Asymmetric Epoxidation / 3.2: |Sharpless Asymmetric Epoxidation;
DOI:10.1002/hlca.201200165