N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide

Base Information

Chemical Name:N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide
CAS No.:1391979-24-0
Molecular Formula:C₂₀H₁₅ClF₂N₄O₂S
Molecular Weight:448.881
Hs Code.:

Synonyms:N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide

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Chemical Property of N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide

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Technology Process of N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide

There total 10 articles about N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide 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: 78.0%

: 141602-29-1
4-chloro-5-iodo-6-ethylpyrimidine

: 1391979-17-1
N-(5-ethynyl-2-methyl-pyridin-3-yl)-2,4-difluoro-benzenesulfonamide

: 1391979-24-0
N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide

Guidance literature:: With triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; at 65 ℃; for 4h; Inert atmosphere;

Reference yield:

: 67443-38-3
5-bromo-2-chloro-3-nitropyridine

: 1391979-24-0
N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide

Guidance literature:: Multi-step reaction with 7 steps

1.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 °C

1.2: 2 h / 0 - 50 °C

2.1: hydrogenchloride / water / 3 h / Reflux

3.1: ammonium chloride; iron / ethanol / 3 h / Reflux

4.1: pyridine / dichloromethane / 5 h / 20 °C

5.1: triethylamine / triphenylphosphine; copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride / tetrahydrofuran / 72 h / 60 °C / Inert atmosphere

6.1: potassium carbonate; methanol / 5 h / 20 °C

7.1: triethylamine / tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(l) iodide / tetrahydrofuran / 4 h / 65 °C / Inert atmosphere

With pyridine; hydrogenchloride; methanol; iron; sodium hydride; potassium carbonate; ammonium chloride; triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triphenylphosphine; In tetrahydrofuran; ethanol; dichloromethane; water;

Reference yield:

: 911434-04-3
2-(5-bromo-3-nitro-pyridin-2-yl)-malonic acid diethyl ester

: 1391979-24-0
N-[5-(4-chloro-6-ethyl-pyrimidin-5-ylethynyl)-2-methyl-pyridin-3-yl]-2,4-difluoro-benzenesulfonamide

Guidance literature:: Multi-step reaction with 6 steps

1: hydrogenchloride / water / 3 h / Reflux

2: ammonium chloride; iron / ethanol / 3 h / Reflux

3: pyridine / dichloromethane / 5 h / 20 °C

4: triethylamine / triphenylphosphine; copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride / tetrahydrofuran / 72 h / 60 °C / Inert atmosphere

5: potassium carbonate; methanol / 5 h / 20 °C

6: triethylamine / tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(l) iodide / tetrahydrofuran / 4 h / 65 °C / Inert atmosphere

With pyridine; hydrogenchloride; methanol; iron; potassium carbonate; ammonium chloride; triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triphenylphosphine; In tetrahydrofuran; ethanol; dichloromethane; water;