(4S,5S)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(4R,1E)-4-benzyloxymethoxy-3-oxopent-1-enyl]-2,2-dimethyl-1,3-dioxolane

Base Information

Chemical Name:(4S,5S)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(4R,1E)-4-benzyloxymethoxy-3-oxopent-1-enyl]-2,2-dimethyl-1,3-dioxolane
CAS No.:154674-69-8
Molecular Formula:C₂₅H₄₀O₆Si
Molecular Weight:464.674
Hs Code.:

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

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

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

There total 3 articles about (4S,5S)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(4R,1E)-4-benzyloxymethoxy-3-oxopent-1-enyl]-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: 90.0%

: 108817-97-6
(4R,5S)-5-tert-butyldimethylsilyloxymethyl-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde

: 96823-34-6
Dimethyl [(3R)-3-benzyloxymethoxy-2-oxobutyl]phosphonate

: 154674-69-8
(4S,5S)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(4R,1E)-4-benzyloxymethoxy-3-oxopent-1-enyl]-2,2-dimethyl-1,3-dioxolane

Guidance literature:: With 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium chloride; In acetonitrile; for 20h;
DOI:10.1039/a905772b

Reference yield:

: 3587-60-8
Benzyloxymethyl chloride

: 154674-69-8
(4S,5S)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(4R,1E)-4-benzyloxymethoxy-3-oxopent-1-enyl]-2,2-dimethyl-1,3-dioxolane

Guidance literature:: Multi-step reaction with 3 steps

1.1: 41 percent / DIPEA / CH₂Cl₂ / 15 h / 20 °C

2.1: BuLi / tetrahydrofuran; hexane / 1 h / -78 °C

2.2: 92 percent / tetrahydrofuran; hexane / 2 h / -78 °C

3.1: 90 percent / LiCl; DBU / acetonitrile / 20 h

With n-butyllithium; 1,8-diazabicyclo[5.4.0]undec-7-ene; N-ethyl-N,N-diisopropylamine; lithium chloride; In tetrahydrofuran; hexane; dichloromethane; acetonitrile; 1.1: Etherification / 2.1: Metallation / 2.2: Acylation / 3.1: Condensation;
DOI:10.1039/a905772b

Reference yield:

: 154674-77-8
2-Methylpropyl (R)-2-(benzyloxymethoxy)propanoate

: 154674-69-8
(4S,5S)-4-(tert-Butyldimethylsilyloxymethyl)-5-[(4R,1E)-4-benzyloxymethoxy-3-oxopent-1-enyl]-2,2-dimethyl-1,3-dioxolane

Guidance literature:: Multi-step reaction with 2 steps

1.1: BuLi / tetrahydrofuran; hexane / 1 h / -78 °C

1.2: 92 percent / tetrahydrofuran; hexane / 2 h / -78 °C

2.1: 90 percent / LiCl; DBU / acetonitrile / 20 h

With n-butyllithium; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium chloride; In tetrahydrofuran; hexane; acetonitrile; 1.1: Metallation / 1.2: Acylation / 2.1: Condensation;
DOI:10.1039/a905772b