tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane

Base Information

• Chemical Name: tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane
• CAS No.: 127665-71-8
• Molecular Formula: C₂₆H₃₈O₄Si
• Molecular Weight: 442.671
• Mol file: 127665-71-8.mol

Synonyms:tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane

Chemical Property of tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane

There total 3 articles about tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane 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:

(4S)-5-(tert-butyldiphenylsilyloxy)-4-methyl-2-penten-1-ol (127665-68-3) → tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane (127665-71-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 96 percent / D-diethyl tartrate (D-DET), Ti(O-i-Pr)4, BuOOH, 4-A sieves / CH₂Cl₂ / 32 h / -20 °C

2: 95 percent / Ph₃P, I₂, imidazole / CH₂Cl₂ / 1 h / Heating

3: 1.) t-BuLi, 2.) i-Pr₂NEt / 1.) Et₂O, -78 deg C, 15 min, 2.) CH₂Cl₂, RT, 16 h

With 1H-imidazole; titanium(IV) isopropylate; 1-butyl hydroperoxide; 4 A molecular sieve; iodine; tert.-butyl lithium; diethyl D-tartrate; N-ethyl-N,N-diisopropylamine; triphenylphosphine; In dichloromethane;

DOI:10.1021/ja00167a068

Reference yield:

((2R,3R)-3-((R)-1-((tert-butyldiphenylsilyl)oxy)propan-2-yl)oxiran-2-yl)methanol (127665-69-4) → tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane (127665-71-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 95 percent / Ph₃P, I₂, imidazole / CH₂Cl₂ / 1 h / Heating

2: 1.) t-BuLi, 2.) i-Pr₂NEt / 1.) Et₂O, -78 deg C, 15 min, 2.) CH₂Cl₂, RT, 16 h

With 1H-imidazole; iodine; tert.-butyl lithium; N-ethyl-N,N-diisopropylamine; triphenylphosphine; In dichloromethane;

DOI:10.1021/ja00167a068

Reference yield:

2-Methoxyethoxymethyl chloride (3970-21-6) + tert-Butyl-[(R)-2-((2R,3S)-3-iodomethyl-oxiranyl)-propoxy]-diphenyl-silane (127665-70-7) → tert-Butyl-[(2R,3S)-3-(2-methoxy-ethoxymethoxy)-2-methyl-pent-4-enyloxy]-diphenyl-silane (127665-71-8)

Guidance literature:

With tert.-butyl lithium; N-ethyl-N,N-diisopropylamine; Yield given. Multistep reaction; 1.) Et₂O, -78 deg C, 15 min, 2.) CH₂Cl₂, RT, 16 h;

DOI:10.1021/ja00167a068

upstream raw materials:

2-Methoxyethoxymethyl chloride

tert-Butyl-[(R)-2-((2R,3S)-3-iodomethyl-oxiranyl)-propoxy]-diphenyl-silane

(4S)-5-(tert-butyldiphenylsilyloxy)-4-methyl-2-penten-1-ol

((2R,3R)-3-((R)-1-((tert-butyldiphenylsilyl)oxy)propan-2-yl)oxiran-2-yl)methanol

Downstream raw materials:

(2R,3R)-4-(tert-Butyl-diphenyl-silanyloxy)-2-(2-methoxy-ethoxymethoxy)-3-methyl-butan-1-ol

tert-Butyl-[(2R,3R)-4-iodo-3-(2-methoxy-ethoxymethoxy)-2-methyl-butoxy]-diphenyl-silane

(E)-1-{2-[(2S,3R)-4-(tert-Butyl-diphenyl-silanyloxy)-2-(2-methoxy-ethoxymethoxy)-3-methyl-butyl]-[1,3]dithian-2-yl}-but-2-en-1-ol

(1R,2S,5S)-7-(tert-Butyl-diphenyl-silanyloxy)-1-[(2S,4S,5R)-2-methoxy-4-(2-methoxy-ethoxymethoxy)-5-methyl-tetrahydro-pyran-2-yl]-5-(S)-oxiranyl-1-(2-trimethylsilanyl-ethoxymethoxy)-hept-3-yn-2-ol