acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester

Base Information

• Chemical Name: acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester
• CAS No.: 931421-46-4
• Molecular Formula: C₂₄H₃₈O₇Si
• Molecular Weight: 466.647
• Mol file: 931421-46-4.mol

Synonyms:acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester

Chemical Property of acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester

There total 4 articles about acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester 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: 91.0%

acetic acid 4-allyloxy-5-hydroxy-2-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-yl ester (931421-45-3) + triethylsilyl trifluoromethyl sulfonate (79271-56-0) → acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester (931421-46-4)

Guidance literature:

With 2,6-dimethylpyridine; In dichloromethane; at 0 ℃;

DOI:10.1016/j.bmcl.2006.11.032

Reference yield:

acetic acid 4,5-dihydroxy-2-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-yl ester (931421-44-2) → acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester (931421-46-4)

Guidance literature:

Multi-step reaction with 2 steps

1.1: Bu₂SnO / toluene / Heating

1.2: 82 percent / CsF / dimethylformamide / 20 °C

2.1: 91 percent / 2,6-lutidine / CH₂Cl₂ / 0 °C

With 2,6-dimethylpyridine; di(n-butyl)tin oxide; In dichloromethane; toluene;

DOI:10.1016/j.bmcl.2006.11.032

Reference yield:

acetic acid 6-(4-methoxy-benzyloxy)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester (931421-64-6) → acetic acid 4-allyloxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester (931421-46-4)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 85 percent / aq. HOAc / 40 °C

2.1: Bu₂SnO / toluene / Heating

2.2: 82 percent / CsF / dimethylformamide / 20 °C

3.1: 91 percent / 2,6-lutidine / CH₂Cl₂ / 0 °C

With 2,6-dimethylpyridine; di(n-butyl)tin oxide; acetic acid; In dichloromethane; toluene;

DOI:10.1016/j.bmcl.2006.11.032

upstream raw materials:

acetic acid 4-allyloxy-5-hydroxy-2-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-yl ester

triethylsilyl trifluoromethyl sulfonate

acetic acid 4,5-dihydroxy-2-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-yl ester

acetic acid 6-(4-methoxy-benzyloxy)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester

Downstream raw materials:

acetic acid 4-(2-hydroxy-ethoxy)-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-3-yl ester

4-methoxy-benzoic acid 2-(3-acetoxy-2-trichloroacetimidoyloxy-5-triethylsilanyloxy-tetrahydro-pyran-4-yloxy)-ethyl ester

4-methoxy-benzoic acid 2-[3-acetoxy-2-(4-methoxy-benzyloxy)-5-triethylsilanyloxy-tetrahydro-pyran-4-yloxy]-ethyl ester

C₆₃H₁₀₆O₁₃Si₂