(4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane

Base Information

Chemical Name:(4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane
CAS No.:260978-08-3
Molecular Formula:C₃₃H₅₂O₅Si₂
Molecular Weight:584.944
Hs Code.:

Synonyms:(4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane

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Chemical Property of (4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane

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Technology Process of (4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane

There total 6 articles about (4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-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: 82.0%

: 260978-06-1
(4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(4S,1E)-4-tert-butyldiphenylsilyloxy-3-oxopentenyl]-2,2-dimethyl-1,3-dioxolane

: 260978-08-3
(4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane

Guidance literature:: With L-Selectride; In tetrahydrofuran; at -78 ℃; for 0.666667h;
DOI:10.1039/a905772b

Reference yield:

: 102732-44-5
ethyl (S)-2-(tert-butyldiphenylsilyloxy)propanoate

: 260978-08-3
(4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane

Guidance literature:: Multi-step reaction with 5 steps

1.1: KOH; MeOH

2.1: DCC / ethyl acetate / 9 h / 20 °C

3.1: BuLi / tetrahydrofuran; hexane / 0.08 h / 20 °C

3.2: 75 percent / tetrahydrofuran; hexane / 0.5 h / 20 °C

4.1: 65 percent / benzene / 5 h / Heating

5.1: 82 percent / lithium tri-sec-butylborohydride / tetrahydrofuran / 0.67 h / -78 °C

With methanol; potassium hydroxide; n-butyllithium; L-Selectride; dicyclohexyl-carbodiimide; In tetrahydrofuran; hexane; ethyl acetate; benzene; 1.1: Saponification / 2.1: Acylation / 3.1: Elimination / 3.2: Condensation / 4.1: Condensation / 5.1: Reduction;
DOI:10.1039/a905772b

Reference yield:

: 125941-75-5
(S)-2-[(1,1-dimethylethyl)diphenylsilyl]oxypropanoic acid

: 260978-08-3
(4R,5R)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(3S,4S,1E)-4-tert-butyldiphenylsilyloxy-3-hydroxopentenyl]-2,2-dimethyl-1,3-dioxolane

Guidance literature:: Multi-step reaction with 4 steps

1.1: DCC / ethyl acetate / 9 h / 20 °C

2.1: BuLi / tetrahydrofuran; hexane / 0.08 h / 20 °C

2.2: 75 percent / tetrahydrofuran; hexane / 0.5 h / 20 °C

3.1: 65 percent / benzene / 5 h / Heating

4.1: 82 percent / lithium tri-sec-butylborohydride / tetrahydrofuran / 0.67 h / -78 °C

With n-butyllithium; L-Selectride; dicyclohexyl-carbodiimide; In tetrahydrofuran; hexane; ethyl acetate; benzene; 1.1: Acylation / 2.1: Elimination / 2.2: Condensation / 3.1: Condensation / 4.1: Reduction;
DOI:10.1039/a905772b