(2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane

Base Information

Chemical Name:(2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane
CAS No.:532384-84-2
Molecular Formula:C₄₂H₆₈O₇SSi
Molecular Weight:745.149
Hs Code.:

Synonyms:(2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane

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Chemical Property of (2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane

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Technology Process of (2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane

There total 5 articles about (2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane 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:

Reference yield:

: 163730-22-1
(2R,5R)-5-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-tridecyl]-tetrahydro-furan-2-carbaldehyde

: 532384-84-2
(2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane

Guidance literature:: Multi-step reaction with 3 steps

1.1: Zn(OTf)2; (1S,2R)-N-methylephedrine; Et₃N / toluene / 0.25 h / 20 °C

1.2: toluene / 19 h / 20 °C

2.1: H₂ / Pd/C / ethyl acetate / 6 h / 20 °C

3.1: 197 mg / pyridine / 15 h / 20 °C

With (1S,2R)-(+)-N-methylephedrine; hydrogen; zinc trifluoromethanesulfonate; triethylamine; palladium on activated charcoal; In pyridine; ethyl acetate; toluene;
DOI:10.1002/chem.200305459

Reference yield:

: 532384-79-5
(2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-hydroxy-4',7'-epoxy-1'-icosynyl]-2-phenyl-1,3-dioxolane

: 532384-84-2
(2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane

Guidance literature:: Multi-step reaction with 2 steps

1: H₂ / Pd/C / ethyl acetate / 6 h / 20 °C

2: 197 mg / pyridine / 15 h / 20 °C

With hydrogen; palladium on activated charcoal; In pyridine; ethyl acetate;
DOI:10.1002/chem.200305459

Reference yield:

: 161615-41-4
(2R,5R)-2-<(1R)-1-<(tert-butyldimethylsilyl)oxy>tridecyl>-5-(1-hydroxymethyl)tetrahydrofuran

: 532384-84-2
(2RS,4S)-4-[(3'R,4'R,7'R,8'R)-8'-(tert-butyldimethylsilyloxy)-3'-(p-toluenesulfonyloxy)-4',7'-epoxyicosanyl]-2-phenyl-1,3-dioxolane

Guidance literature:: Multi-step reaction with 4 steps

1: 82 percent / Dess-Martin periodinane; pyridine / CH₂Cl₂ / 0 - 20 °C

2: 97 percent / (1R,2S)-N-methylephedrine; zinc trifluoromethanesulfonate; triethylamine / toluene / 20 °C

3: H₂; triethylamine / 10 percent Pd/C / ethyl acetate / 20 °C

4: pyridine / 0 - 20 °C

With pyridine; (-)-N-methylephedrine; hydrogen; zinc trifluoromethanesulfonate; Dess-Martin periodane; triethylamine; palladium on activated charcoal; In dichloromethane; ethyl acetate; toluene; 1: Dess-Martin oxidation;
DOI:10.1021/ol034131r