Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester

Base Information

• Chemical Name: Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester
• CAS No.: 328000-54-0
• Molecular Formula: C₂₁H₂₄BF₃O₉S
• Molecular Weight: 520.288
• Mol file: 328000-54-0.mol

Synonyms:Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester

Chemical Property of Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester

There total 2 articles about Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-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:

di-n-butylboryl trifluoromethanesulfonate (60669-69-4) + (2S,3S)-1,4-bis(2,4-dimethoxyphenyl)-2,3-butanediol → Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester (328000-54-0)

Guidance literature:

In dichloromethane; at 20 ℃; for 1h;

DOI:10.1016/S0957-4166(00)00405-5

Reference yield:

2,4-dimethoxyphenylmagnesium bromide (138109-49-6) → Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester (328000-54-0)

Guidance literature:

Multi-step reaction with 2 steps

1.1: CuI / tetrahydrofuran / 0.08 h / -40 °C

1.2: 64 percent / diethyl ether; tetrahydrofuran / 2 h / 0 °C

2.1: CH₂Cl₂ / 1 h / 20 °C

With copper(l) iodide; In tetrahydrofuran; dichloromethane;

DOI:10.1016/S0957-4166(00)00405-5

Reference yield:

Trifluoro-methanesulfonic acid (4S,5S)-4,5-bis-(2,4-dimethoxy-benzyl)-[1,3,2]dioxaborolan-2-yl ester (328000-54-0) → (4S,5S)-4,5-Bis-(2,4-dimethoxy-benzyl)-2-fluoro-[1,3,2]dioxaborolane

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; dichloromethane; at 20 ℃; for 14h;

DOI:10.1016/S0957-4166(00)00405-5

upstream raw materials:

di-n-butylboryl trifluoromethanesulfonate

2,4-dimethoxyphenylmagnesium bromide