4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene

Base Information

Chemical Name:4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene
CAS No.:217975-76-3
Molecular Formula:C₁₈H₂₀F₆O₁₀S₂
Molecular Weight:574.473
Hs Code.:

Synonyms:4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene

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Chemical Property of 4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene

Chemical Property:

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Technology Process of 4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene

There total 5 articles about 4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene 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: 75.0%

: 358-23-6
trifluoromethylsulfonic anhydride

: 217975-35-4
4,5-bis[2-(ethyloxycarbonyl)ethyl]catechol

: 217975-76-3
4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene

Guidance literature:: With triethylamine; In dichloromethane; at -20 - 20 ℃;
DOI:10.1055/s-1998-1914

Reference yield:

: 2563-26-0
4,5-dibromobenzene-1,2-diol

: 217975-76-3
4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene

Guidance literature:: Multi-step reaction with 5 steps

1: 75 percent / TsOH*H₂O / toluene / Heating

2: 90 percent / K₂CO₃; tetrabutylammonium bromide; Pd(OAc)2 / dimethylformamide / 6 h / 90 °C

3: 94 percent / H₂ / Pd/C / ethanol / 48 h

4: 78 percent / TFA; water / 20 °C

5: 75 percent / Et₃N / CH₂Cl₂ / -20 - 0 °C

With palladium diacetate; tetrabutylammomium bromide; water; hydrogen; potassium carbonate; toluene-4-sulfonic acid; triethylamine; trifluoroacetic acid; palladium on activated charcoal; In ethanol; dichloromethane; N,N-dimethyl-formamide; toluene; 1: Condensation / 2: Heck reaction / 3: Catalytic hydrogenation / 4: Hydrolysis / 5: Esterification;
DOI:10.1002/(SICI)1099-0690(199912)1999:12<3441::AID-EJOC3441>3.0.CO;2-Y

Reference yield:

: 255822-08-3
4,5-dibromo-1,2-di-O-cyclohexylidenecatechol

: 217975-76-3
4,5-bis[2-(ethyloxycarbonyl)ethyl]-1,2-bis(trifluoromethanesulfonyloxy)benzene

Guidance literature:: Multi-step reaction with 4 steps

1: 90 percent / K₂CO₃; tetrabutylammonium bromide; Pd(OAc)2 / dimethylformamide / 6 h / 90 °C

2: 94 percent / H₂ / Pd/C / ethanol / 48 h

3: 78 percent / TFA; water / 20 °C

4: 75 percent / Et₃N / CH₂Cl₂ / -20 - 0 °C

With palladium diacetate; tetrabutylammomium bromide; water; hydrogen; potassium carbonate; triethylamine; trifluoroacetic acid; palladium on activated charcoal; In ethanol; dichloromethane; N,N-dimethyl-formamide; 1: Heck reaction / 2: Catalytic hydrogenation / 3: Hydrolysis / 4: Esterification;
DOI:10.1002/(SICI)1099-0690(199912)1999:12<3441::AID-EJOC3441>3.0.CO;2-Y