5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one

Base Information

Chemical Name:5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one
CAS No.:1450740-23-4
Molecular Formula:C₁₄H₁₁F₃O₂
Molecular Weight:268.235
Hs Code.:

Synonyms:5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one

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Chemical Property of 5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one

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Technology Process of 5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one

There total 3 articles about 5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-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: 90.0%

: 1450740-49-4
ethyl (5E)-4-hydroxy-4-methyl-6-[2-(trifluoromethyl)phenyl]hex-5-en-2-ynoate

: 1450740-23-4
5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one

Guidance literature:: ethyl (5E)-4-hydroxy-4-methyl-6-[2-(trifluoromethyl)phenyl]hex-5-en-2-ynoate; With quinoline; hydrogen; In methanol; at 20 ℃; for 3h;

In methanol; at 20 ℃; for 2h;
DOI:10.1016/j.bmc.2013.06.044

Reference yield:

: 447-61-0
2-Trifluoromethylbenzaldehyde

: 1450740-23-4
5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: morpholin-4-ium 2,2,2-trifluoroacetate / 80 °C / Sealed tube

2.1: lithium diisopropyl amide / tetrahydrofuran / -78 °C / Inert atmosphere

2.2: -78 °C / Inert atmosphere

3.1: hydrogen; quinoline / methanol / 3 h / 20 °C

3.2: DOWEX H(+) / 2 h / 20 °C

With quinoline; hydrogen; morpholin-4-ium 2,2,2-trifluoroacetate; lithium diisopropyl amide; In tetrahydrofuran; methanol; 1.1: |Aldol Condensation;
DOI:10.1016/j.bmc.2013.06.044

Reference yield:

: 76293-37-3
4-<2-(trifluoromethyl)phenyl>-3-buten-2-one

: 1450740-23-4
5-methyl-5-[(E)-4-(2-trifluoromethylphenyl)ethenyl]-2,5-dihydrofuran-2-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium diisopropyl amide / tetrahydrofuran / -78 °C / Inert atmosphere

1.2: -78 °C / Inert atmosphere

2.1: hydrogen; quinoline / methanol / 3 h / 20 °C

2.2: DOWEX H(+) / 2 h / 20 °C

With quinoline; hydrogen; lithium diisopropyl amide; In tetrahydrofuran; methanol;
DOI:10.1016/j.bmc.2013.06.044