4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

Base Information

Chemical Name:4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide
CAS No.:1450921-69-3
Molecular Formula:C₁₉H₁₃F₃N₄O₃S₂
Molecular Weight:466.464
Hs Code.:

Synonyms:4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

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Chemical Property of 4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

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Technology Process of 4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

There total 3 articles about 4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide 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: 34.0%

: 59134-95-1
thiazol-4-amine hydrochloride

: 1450923-35-9
perfluorophenyl 4-(2-cyano-4-(trifluoromethyl)phenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonate

: 1450921-69-3
4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

Guidance literature:: With lithium hexamethyldisilazane; In tetrahydrofuran; for 3h; Cooling with acetone-dry ice;

Reference yield: 34.0%

: 1450923-35-9
perfluorophenyl 4-(2-cyano-4-(trifluoromethyl)phenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonate

: thiazol-4-amine hydrogen chloride salt

: 1450921-69-3
4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

Guidance literature:: With lithium hexamethyldisilazane; In tetrahydrofuran; for 2h; Cooling with acetone-dry ice;
DOI:10.1016/j.bmcl.2017.05.070

Reference yield:

: 1450923-42-8
perfluorophenyl 4-(2-bromo-4-(trifluoromethyl)phenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonate

: 1450921-69-3
4-(2-cyano-4-(trifluoromethyl)phenyl)-N-(thiazol-4-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

Guidance literature:: Multi-step reaction with 2 steps

1: bis(tri-tert-butylphosphine)palladium⁽⁰⁾ / N,N-dimethyl acetamide / 60 °C / Inert atmosphere

2: lithium hexamethyldisilazane / tetrahydrofuran / 3 h / Cooling with acetone-dry ice

With bis(tri-tert-butylphosphine)palladium⁽⁰⁾; lithium hexamethyldisilazane; In tetrahydrofuran; N,N-dimethyl acetamide;