trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-yl ester

Base Information

• Chemical Name: trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-yl ester
• CAS No.: 1255206-73-5
• Molecular Formula: C₁₀H₇F₃O₅S
• Molecular Weight: 296.224
• Mol file: 1255206-73-5.mol

Synonyms:

Chemical Property of trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-yl ester

Chemical Property:

• Boiling Point: 451.0±45.0 °C(Predicted)
• Density: 1.611±0.06 g/cm3(Predicted)

Purity/Quality:

97% ^*data from raw suppliers

4-Methyl-1-oxo-1,3-dihydroisobenzofuran-5-yltrifluoromethanesulfonate 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-yl ester

There total 6 articles about trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-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:

trifluoromethylsulfonic anhydride (358-23-6) + 5-hydroxy-4-methyl-3H-isobenzofuran-1-one (1194700-73-6) → trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-yl ester (1255206-73-5)

Guidance literature:

With triethylamine; In dichloromethane; at 3.8 - 10 ℃; for 1.08333h; Inert atmosphere;

Reference yield:

trifluorormethanesulfonic acid (1493-13-6) + 5-hydroxy-4-methyl-3H-isobenzofuran-1-one (1194700-73-6) → trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-yl ester (1255206-73-5)

Guidance literature:

In dichloromethane; at 3.8 ℃;

Reference yield:

3-hydroxy 2-methylbenzoic acid (603-80-5) → trifluoromethanesulfonic acid 4-methyl-1-oxo-1,3-dihydro-isobenzofuran-5-yl ester (1255206-73-5)

Guidance literature:

Multi-step reaction with 4 steps

1.1: boron trifluoride diethyl etherate; sodium tetrahydroborate / tetrahydrofuran / 4.58 h / 10 - 17 °C

2.1: N-Bromosuccinimide; trifluoroacetic acid / acetonitrile / 0.5 h / -40 - -33 °C / Inert atmosphere

3.1: N,N-dimethyl-formamide / 2 h / 145 °C / Inert atmosphere

3.2: 20 h / 95 °C / Inert atmosphere

4.1: triethylamine / dichloromethane / 1.08 h / 3.8 - 10 °C / Inert atmosphere

With sodium tetrahydroborate; N-Bromosuccinimide; boron trifluoride diethyl etherate; triethylamine; trifluoroacetic acid; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; acetonitrile;

upstream raw materials:

trifluoromethylsulfonic anhydride

5-hydroxy-4-methyl-3H-isobenzofuran-1-one

3-hydroxy 2-methylbenzoic acid

3-hydroxymethyl-2-methylphenol

Downstream raw materials:

4-methyl-5-[2R-oxiran-2-yl]-2-benzofuran-1(3H)-one

1,3-dihydro-1-oxo-4-methyl-5-(2-bromoacetyl)isobenzofuran

(E)-4-methyl-5-(prop-1-en-1-yl)isobenzofuran-1(3H)-one

5-bromo-4-methyl-2-benzofuran-1(3H)-one