Technology Process of tert-butyl-((R)-1-((4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)octyloxy)diphenylsilane
There total 7 articles about tert-butyl-((R)-1-((4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)octyloxy)diphenylsilane which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
methyl-triphenylphosphonium iodide;
With
lithium hexamethyldisilazane;
In
tetrahydrofuran;
at 0 ℃;
for 0.25h;
Inert atmosphere;
(4R,5S)-5-(R)-1-((tert-butyldiphenylsilyloxy)octyl)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde;
In
tetrahydrofuran;
at 20 ℃;
for 1h;
Inert atmosphere;
DOI:10.1016/j.tet.2014.02.072
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: dmap; 1H-imidazole / dichloromethane / 6 h / 0 - 20 °C / Inert atmosphere
2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C / Inert atmosphere
2.2: 0 - 20 °C / Inert atmosphere
3.1: 4-methylmorpholine N-oxide; osmium(VIII) oxide / tetrahydrofuran; water / 12 h / 20 °C / Inert atmosphere
4.1: camphorsulphonic acid / dichloromethane / 20 °C / Inert atmosphere
5.1: diisobutylaluminium hydride / dichloromethane / 2.5 h / -78 °C / Inert atmosphere
6.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.25 h / 0 °C / Inert atmosphere
6.2: 1 h / 20 °C / Inert atmosphere
With
1H-imidazole; dmap; osmium(VIII) oxide; sodium hydride; diisobutylaluminium hydride; 4-methylmorpholine N-oxide; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane; water;
2.1: |Horner-Wadsworth-Emmons Olefination / 2.2: |Horner-Wadsworth-Emmons Olefination / 6.1: |Wittig Olefination / 6.2: |Wittig Olefination;
DOI:10.1016/j.tet.2014.02.072
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: 4-methylmorpholine N-oxide; osmium(VIII) oxide / tetrahydrofuran; water / 12 h / 20 °C / Inert atmosphere
2.1: camphorsulphonic acid / dichloromethane / 20 °C / Inert atmosphere
3.1: diisobutylaluminium hydride / dichloromethane / 2.5 h / -78 °C / Inert atmosphere
4.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.25 h / 0 °C / Inert atmosphere
4.2: 1 h / 20 °C / Inert atmosphere
With
osmium(VIII) oxide; diisobutylaluminium hydride; 4-methylmorpholine N-oxide; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane; water;
4.1: |Wittig Olefination / 4.2: |Wittig Olefination;
DOI:10.1016/j.tet.2014.02.072