N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide

Base Information

Chemical Name:N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide
CAS No.:1076245-73-2
Molecular Formula:C₁₈H₁₆F₃N₅O₄
Molecular Weight:423.351
Hs Code.:

Synonyms:N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide

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Chemical Property of N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide

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Technology Process of N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide

There total 4 articles about N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide 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:

: 936249-13-7
3-methylisoxazole-4-carboxylic acid (6-amino-5-chloropyrazin-2-yl)amide

: 1076245-99-2
[2-(trifluoromethoxy)-5-ethoxyphenyl]boronic acid

: 1076245-73-2
N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide

Guidance literature:: With caesium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; water; at 50 ℃; for 5h;

Reference yield:

: 17153-20-7
3-methyl isoxazole-4-carboxylic acid

: 1076245-73-2
N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 4 h / 20 °C

1.2: 3 h / 50 °C

2.1: caesium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,4-dioxane; water / 5 h / 50 °C

With oxalyl dichloride; caesium carbonate; N,N-dimethyl-formamide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; dichloromethane; water; 2.1: Suzuki Coupling;

Reference yield:

: 886496-88-4
3-bromo-4-(trifluoromethoxy)phenol

: 1076245-73-2
N-{6-amino-5-[5-ethoxy-2-(trifluoromethoxy)phenyl]pyrazin-2-yl}-3-methylisoxazole-4-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium carbonate / acetone / 12 h / Heating / reflux

2.1: n-butyllithium / tetrahydrofuran; cyclohexane / 1 h / -70 °C

2.2: 2 h / -70 °C

3.1: caesium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,4-dioxane; water / 5 h / 50 °C

With n-butyllithium; potassium carbonate; caesium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane; cyclohexane; water; acetone; 3.1: Suzuki Coupling;