(E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid

Base Information

Chemical Name:(E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid
CAS No.:132102-23-9
Molecular Formula:C₂₃H₂₃F₃O₂S
Molecular Weight:420.496
Hs Code.:

Synonyms:(E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid

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Chemical Property of (E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid

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Technology Process of (E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid

There total 6 articles about (E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid 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: 78.2%

: 121638-19-5
methyl (E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoate

: 132102-23-9
(E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid

Guidance literature:: With potassium hydroxide; In ethanol; water; for 1h; Heating;
DOI:10.1021/jm00105a065

Reference yield:

: 141-79-7
4-methyl-pent-3-en-2-one

: 132102-23-9
(E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid

Guidance literature:: Multi-step reaction with 6 steps

1: 77.1 percent / Et₃N / CHCl₃ / 24 h / Heating

2: 75.2 percent / diethyl ether / 3 h / Ambient temperature

3: 89.3 percent / AlCl₃ / CS₂ / 10 h / Heating

4: 20.3 percent / AlCl₃ / CS₂ / 2 h

5: 47.7 percent / NaH, 15-crown-5 ether / tetrahydrofuran / 16 h / Ambient temperature

6: 78.2 percent / KOH / ethanol; H₂O / 1 h / Heating

With potassium hydroxide; aluminium trichloride; 15-crown-5; sodium hydride; triethylamine; In tetrahydrofuran; carbon disulfide; diethyl ether; ethanol; chloroform; water;
DOI:10.1021/jm00105a065

Reference yield:

: 50461-99-9
4-methyl-4-phenylsulfanyl-pentan-2-one

: 132102-23-9
(E)-4-<2-(trifluoromethyl)-2-(2,2,4,4-tetramethylthiochroman-6-yl)ethenyl>benzoic acid

Guidance literature:: Multi-step reaction with 5 steps

1: 75.2 percent / diethyl ether / 3 h / Ambient temperature

2: 89.3 percent / AlCl₃ / CS₂ / 10 h / Heating

3: 20.3 percent / AlCl₃ / CS₂ / 2 h

4: 47.7 percent / NaH, 15-crown-5 ether / tetrahydrofuran / 16 h / Ambient temperature

5: 78.2 percent / KOH / ethanol; H₂O / 1 h / Heating

With potassium hydroxide; aluminium trichloride; 15-crown-5; sodium hydride; In tetrahydrofuran; carbon disulfide; diethyl ether; ethanol; water;
DOI:10.1021/jm00105a065