Technology Process of ((2S,3S)-3-{(S)-1-[(4-methoxybenzyl)oxy]ethyl}oxiran-2-yl)methanol
There total 3 articles about ((2S,3S)-3-{(S)-1-[(4-methoxybenzyl)oxy]ethyl}oxiran-2-yl)methanol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(S,E)-4-[(4-methoxybenzyl)oxy]pent-2-en-1-ol;
With
titanium(IV) isopropylate; L-(+)-diisopropyl tartrate;
In
dichloromethane;
at -20 ℃;
for 0.5h;
Inert atmosphere;
Molecular sieve;
With
tert.-butylhydroperoxide;
In
dichloromethane; toluene;
for 8h;
Optical yield = 94 %de; diastereoselective reaction;
Inert atmosphere;
DOI:10.1002/ejoc.201301215
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: diisobutylaluminium hydride / dichloromethane / 1 h / 0 °C / Inert atmosphere
2.1: titanium(IV) isopropylate; L-(+)-diisopropyl tartrate / dichloromethane / 0.5 h / -20 °C / Inert atmosphere; Molecular sieve
2.2: 8 h / Inert atmosphere
With
titanium(IV) isopropylate; L-(+)-diisopropyl tartrate; diisobutylaluminium hydride;
In
dichloromethane;
2.1: |Sharpless Asymmetric Epoxidation / 2.2: |Sharpless Allylic Amination;
DOI:10.1002/ejoc.201301215
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: oxalyl dichloride / dichloromethane; dimethyl sulfoxide / 0.5 h / -78 °C / Inert atmosphere
1.2: 0.5 h / -78 °C / Inert atmosphere
1.3: 4 h / -78 - 20 °C / Inert atmosphere
2.1: diisobutylaluminium hydride / dichloromethane / 1 h / 0 °C / Inert atmosphere
3.1: titanium(IV) isopropylate; L-(+)-diisopropyl tartrate / dichloromethane / 0.5 h / -20 °C / Inert atmosphere; Molecular sieve
3.2: 8 h / Inert atmosphere
With
titanium(IV) isopropylate; oxalyl dichloride; L-(+)-diisopropyl tartrate; diisobutylaluminium hydride;
In
dichloromethane; dimethyl sulfoxide;
1.1: |Wittig Olefination / 1.2: |Wittig Olefination / 1.3: |Wittig Olefination / 3.1: |Sharpless Asymmetric Epoxidation / 3.2: |Sharpless Allylic Amination;
DOI:10.1002/ejoc.201301215