5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one

Base Information

• Chemical Name: 5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one
• CAS No.: 859427-85-3
• Molecular Formula: C₂₃H₂₈O₄Si
• Molecular Weight: 396.558
• Mol file: 859427-85-3.mol

Synonyms:5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one

Chemical Property of 5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one

There total 2 articles about 5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-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: 65.0%

4-hydroxy-5-hydroxymethyl-3-methylenetetrahydropyran-2-one (859427-83-1) + tert-butylchlorodiphenylsilane (58479-61-1) → 5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one (859427-85-3)

Guidance literature:

With dmap; In dichloromethane; at 20 ℃; for 96h;

DOI:10.1016/j.bmc.2005.03.037

Reference yield:

2-{hydroxy-[2-(4-methoxyphenyl)-[1,3]dioxan-5-yl]methyl}acrylic acid methyl ester (859427-79-5) → 5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one (859427-85-3)

Guidance literature:

Multi-step reaction with 2 steps

1.1: H₂SO₄ / 20 °C

1.2: 72 percent / Bu₄NF / tetrahydrofuran / 2 h / 20 °C

2.1: 65 percent / 4-(dimethylamino)pyridine / CH₂Cl₂ / 96 h / 20 °C

With dmap; sulfuric acid; In dichloromethane;

DOI:10.1016/j.bmc.2005.03.037

Reference yield: 76.0%

5-(tert-butyldiphenylsilanyloxymethyl)-4-hydroxy-3-methylenetetrahydropyran-2-one (859427-85-3) + Trimethyl orthoacetate (1445-45-0) → 3-[5-(tert-butyldiphenylsilanyloxymethyl)-2-oxo-5,6-dihydro-2H-pyran-3-yl]propionic acid methyl ester (859427-87-5)

Guidance literature:

With propionic acid; for 48h; Heating;

DOI:10.1016/j.bmc.2005.03.037

upstream raw materials:

4-hydroxy-5-hydroxymethyl-3-methylenetetrahydropyran-2-one

tert-butylchlorodiphenylsilane

2-{hydroxy-[2-(4-methoxyphenyl)-[1,3]dioxan-5-yl]methyl}acrylic acid methyl ester

Downstream raw materials:

3-[5-(tert-butyldiphenylsilanyloxymethyl)-2-oxo-5,6-dihydro-2H-pyran-3-yl]propionic acid methyl ester