4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

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Chemical Name:4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide
CAS No.:1450919-51-3
Molecular Formula:C₂₀H₁₅F₃N₆O₃S₂
Molecular Weight:508.505
Hs Code.:

Synonyms:4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

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Chemical Property of 4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

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Technology Process of 4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

There total 5 articles about 4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-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:

: 552846-17-0
tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole-1-carboxylate

: 1450919-48-8
4-(2-bromo-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

: 1450919-51-3
4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

Guidance literature:: tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole-1-carboxylate; 4-(2-bromo-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide; With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In 1,4-dioxane; water; at 100 ℃; for 0.5h; Microwave irradiation;

With hydrogenchloride; In methanol;

Reference yield:

: 1450923-16-6
4-(2-bromo-4-(trifluoromethyl)phenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonyl chloride

: 1450919-51-3
4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.17 h / -78 °C

1.2: 0.75 h

2.1: potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / water; 1,4-dioxane / 0.5 h / 100 °C / Microwave irradiation

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; lithium hexamethyldisilazane; In tetrahydrofuran; 1,4-dioxane; water;

Reference yield:

: 5735-53-5
1,4-benzoxazine

: 1450919-51-3
4-(2-(1H-pyrazol-4-yl)-4-(trifluoromethyl)phenyl)-N-(1,2,4-thiadiazol-5-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.25 h / 20 °C / Inert atmosphere

1.2: 20 °C / Inert atmosphere

2.1: dichloromethane / 4 h / 0 - 20 °C

3.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.17 h / -78 °C

3.2: 0.75 h

4.1: potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / water; 1,4-dioxane / 0.5 h / 100 °C / Microwave irradiation

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium hydride; potassium carbonate; lithium hexamethyldisilazane; In tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; mineral oil;