4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester

Base Information

Chemical Name:4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester
CAS No.:1427274-49-4
Molecular Formula:C₂₂H₂₀Cl₂F₃NO₂S
Molecular Weight:490.374
Hs Code.:

Synonyms:4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester

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Chemical Property of 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester

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Technology Process of 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester

There total 2 articles about 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl 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:

: 1427274-70-1
4-[3-(3,5-dichloro-phenyl)-4,4,4-trifluoro-3-mercapto-butyryl]-2-methyl-benzoic acid tert-butyl ester

: 1427274-49-4
4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester

Guidance literature:: With potassium hydroxide; hydroxylamine-O-sulfonic acid; In tetrahydrofuran; water; at 20 ℃; for 0.5h;

Reference yield:

: 1352242-90-0
4-[(E)-3-(3,5-dichloro-phenyl)-4,4,4-trifluoro-but-2-enoyl]-2-methyl-benzoic acid tert-butyl ester

: 1427274-49-4
4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine / 24 h / 20 °C

2: hydroxylamine-O-sulfonic acid; potassium hydroxide / tetrahydrofuran; water / 0.5 h / 20 °C

With triethylamine; potassium hydroxide; hydroxylamine-O-sulfonic acid; In tetrahydrofuran; water;

Reference yield: 62.0%

: 1427274-49-4
4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester

: 1444176-98-0
tert-butyl 4-[5-(3,5-dichlorophenyl)-4-fluoro-5-(trifluoromethyl)-4H-isothiazol-3-yl]-2-methylbenzoate

Guidance literature:: 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isothiazol-3-yl]-2-methyl-benzoic acid tert-butyl ester; With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 1.5h; Inert atmosphere;

With N-fluorobis(benzenesulfon)imide; In tetrahydrofuran; at -78 ℃; for 2h; Inert atmosphere;