(R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one

Base Information

• Chemical Name: (R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one
• CAS No.: 1289513-11-6
• Molecular Formula: C₄₂H₆₈O₈Si₂
• Molecular Weight: 757.168
• Mol file: 1289513-11-6.mol

Synonyms:(R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one

Chemical Property of (R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one

There total 5 articles about (R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one 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: 51.0%

5-[(benzyloxy)methyl]hex-5-en-2-one (1063693-74-2) + (2S,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-carbaldehyde (1289513-06-9) → (R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one (1289513-11-6)

Guidance literature:

5-[(benzyloxy)methyl]hex-5-en-2-one; With lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃; for 0.166667h; Inert atmosphere;

(2S,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-carbaldehyde; In tetrahydrofuran; at -78 ℃; for 0.166667h; Inert atmosphere;

With ammonium chloride; In tetrahydrofuran; water; at -78 - 20 ℃; Inert atmosphere;

DOI:10.1002/ejoc.201001411

Reference yield:

(2S,3R,5R)-5-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-ethyl]-3-hydroxy-5-methyl-tetrahydro-furan-2-carboxylic acid methyl ester (1063693-99-1) → (R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one (1289513-11-6)

Guidance literature:

Multi-step reaction with 4 steps

1.1: 2,6-dimethylpyridine / dichloromethane / 0.92 h / -78 °C / Inert atmosphere

2.1: trityl tetrafluoroborate / dichloromethane / 0 - 20 °C / Inert atmosphere

3.1: diisobutylaluminium hydride / dichloromethane; toluene / 0.33 h / -90 °C / Inert atmosphere

4.1: lithium diisopropyl amide / tetrahydrofuran / 0.17 h / -78 °C / Inert atmosphere

4.2: 0.17 h / -78 °C / Inert atmosphere

4.3: -78 - 20 °C / Inert atmosphere

With 2,6-dimethylpyridine; trityl tetrafluoroborate; diisobutylaluminium hydride; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; toluene;

DOI:10.1002/ejoc.201001411

Reference yield:

(2S,3R,5R)-methyl 3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-carboxylate (1289513-05-8) → (R)-6-[(benzyloxy)methyl]-1-((2R,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-yl)-1-hydroxyhept-6-en-3-one (1289513-11-6)

Guidance literature:

Multi-step reaction with 2 steps

1.1: diisobutylaluminium hydride / dichloromethane; toluene / 0.33 h / -90 °C / Inert atmosphere

2.1: lithium diisopropyl amide / tetrahydrofuran / 0.17 h / -78 °C / Inert atmosphere

2.2: 0.17 h / -78 °C / Inert atmosphere

2.3: -78 - 20 °C / Inert atmosphere

With diisobutylaluminium hydride; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; toluene;

DOI:10.1002/ejoc.201001411

upstream raw materials:

(2S,3R,5R)-5-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-ethyl]-3-hydroxy-5-methyl-tetrahydro-furan-2-carboxylic acid methyl ester

5-[(benzyloxy)methyl]hex-5-en-2-one

(2S,3R,5R)-3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-[(4-methoxybenzyl)oxy]ethyl}-5-methyltetrahydrofuran-2-carbaldehyde

(2S,3R,5R)-methyl 3-[(tert-butyldimethylsilyl)oxy]-5-{(S)-2-[(tert-butyldimethylsilyl)oxy]-1-hydroxyethyl}-5-methyltetrahydrofuran-2-carboxylate

Downstream raw materials:

(S)-2-((2R,4R,5R)-5-{(1S,3R,5S)-1-[(benzyloxy)methyl]-5-methyl-2,8-dioxabicyclo[3.2.1]octan-3-yl}-4-[(tert-butyldimethylsilyl)oxy]-2-methyltetrahydrofuran-2-yl)-2-[(4-methoxybenzyl)oxy](tert-butyl)dimethylsilane

(S)-2-((2R,4R,5R)-5-{(1S,3R,5S)-1-[(benzyloxy)methyl]-5-methyl-2,8-dioxabicyclo[3.2.1]octan-3-yl}-4-[(tert-butyldimethylsilyl)oxy]-2-methyltetrahydrofuran-2-yl)-2-[(4-methoxybenzyl)oxy]ethanol

(R)-2-((2R,4R,5R)-5-{(1S,3R,5S)-1-[(benzyloxy)methyl]-5-methyl-2,8-dioxabicyclo[3.2.1]octan-3-yl}-4-[(tert-butyldimethylsilyl)oxy]-2-methyltetrahydrofuran-2-yl)-2-[(4-methoxybenzyl)oxy]acetaldehyde

(1S,2R)-2-((2R,4R,5R)-5-{(1S,3R,5S)-1-[(benzyloxy)methyl]-5-methyl-2,8-dioxabicyclo[3.2.1]octan-3-yl}-4-[(tert-butyldimethylsilyl)oxy]-2-methyltetrahydrofuran-2-yl)-1-[(4-methoxybenzyl)oxy]but-3-en-2-ol