(2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol

Base Information

• Chemical Name: (2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol
• CAS No.: 140479-42-1
• Molecular Formula: C₂₂H₃₈O₅Si
• Molecular Weight: 410.626
• Mol file: 140479-42-1.mol

Synonyms:(2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol

Chemical Property of (2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol

There total 10 articles about (2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol 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:

para-methoxybenzyl chloride (88023-78-3) → (2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol (140479-42-1)

Guidance literature:

Multi-step reaction with 5 steps

1: EtN(iPr)2 / CH₂Cl₂

2: KOH / methanol

3: imidazole / dimethylformamide

4: 1.) O₃, 2.) NaBH₄ / 1.) MeOH/CH₂Cl₂

5: 1.) (COCl)2, DNMSO, EtN(iPr)2, 2.) MgBr₂ / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, -78 -> -20 deg C

With 1H-imidazole; potassium hydroxide; sodium tetrahydroborate; oxalyl dichloride; ozone; N-ethyl-N,N-diisopropylamine; magnesium bromide; In methanol; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(00)73162-5

Reference yield:

(R)-(E)-1-<(tert-Butyldimethylsilyl)oxy>-2-<<<(p-methoxybenzyl)oxy>methoxy>methyl>-5-methylhex-3-ene (138436-23-4) → (2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol (140479-42-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) O₃, 2.) NaBH₄ / 1.) MeOH/CH₂Cl₂

2: 1.) (COCl)2, DNMSO, EtN(iPr)2, 2.) MgBr₂ / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, -78 -> -20 deg C

With sodium tetrahydroborate; oxalyl dichloride; ozone; N-ethyl-N,N-diisopropylamine; magnesium bromide;

DOI:10.1016/S0040-4039(00)73162-5

Reference yield:

(R)-(E)-2-<<(tert-Butyldimethylsilyl)oxy>methyl>-5-methylhex-3-en-1-ol (138513-53-8) → (2R,3R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxymethoxymethyl)-hex-5-en-3-ol (140479-42-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 85 percent / EtN(iPr)2 / CH₂Cl₂ / 0 deg C to r.t.

2: 1) O₃, 2) Me₂S

3: MgBr₂ / CH₂Cl₂ / -78 to 0 deg C

With dimethylsulfide; ozone; N-ethyl-N,N-diisopropylamine; magnesium bromide; In dichloromethane;

DOI:10.1016/0040-4039(91)80449-G

upstream raw materials:

allyltributylstanane

(R)-3-<<(t-butyldimethyl)silyl>oxy>-2-<<<(p-methoxybenzyl)oxy>methoxy>methyl>-propanal

(R)-3-<<(t-butyldimethyl)silyl>oxy>-2-<<<(p-methoxybenzyl)oxy>methoxy>methyl>-1-propanol

allylmagnesium bromide

Downstream raw materials:

(4R,5R)-cis-4-allyl-5-((((4-methoxybenzyl)oxy)methoxy)methyl)-2,2-dimethyl-1,3-dioxane

(2S,3R)-2-((((4-methoxybenzyl)oxy)methoxy)methyl)hex-5-ene-1,3-diol