3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide

Base Information

• Chemical Name: 3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide
• CAS No.: 1607820-57-4
• Molecular Formula: C₁₆H₂₀N₆O₄S
• Molecular Weight: 392.439
• Mol file: 1607820-57-4.mol

Synonyms:3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide

Chemical Property of 3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide

There total 10 articles about 3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)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: 93.0%

4-ethoxy-3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)benzene-1-sulfonyl chloride (1607820-48-3) + ethanolamine (141-43-5) → 3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide (1607820-57-4)

Guidance literature:

In acetonitrile; at 20 ℃;

DOI:10.1016/j.bmc.2014.10.009

Reference yield:

(2-ethoxyphenyl)boronic acid (213211-69-9) → 3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide (1607820-57-4)

Guidance literature:

Multi-step reaction with 3 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(I) 2-hydroxy-3-methylbenzoate / tetrahydrofuran / Inert atmosphere; Reflux

2: chlorosulfonic acid / 2 h / 0 - 20 °C

3: acetonitrile / 20 °C

With chlorosulfonic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(I) 2-hydroxy-3-methylbenzoate; In tetrahydrofuran; acetonitrile;

DOI:10.1016/j.bmc.2014.03.029

Reference yield:

1,3-dimethyl-5-(methylsulfanyl)-1H-pyrazolo[4,3-e][1,2,4]triazine (682319-80-8) → 3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)-4-ethoxy-N-(2-hydroxyethyl)benzenesulfonamide (1607820-57-4)

Guidance literature:

Multi-step reaction with 3 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(I) 2-hydroxy-3-methylbenzoate / tetrahydrofuran / Inert atmosphere; Reflux

2: chlorosulfonic acid / 2 h / 0 - 20 °C

3: acetonitrile / 20 °C

With chlorosulfonic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(I) 2-hydroxy-3-methylbenzoate; In tetrahydrofuran; acetonitrile;

DOI:10.1016/j.bmc.2014.03.029

upstream raw materials:

1,3-dimethyl-5-(methylsulfanyl)-1H-pyrazolo[4,3-e][1,2,4]triazine

(2-ethoxyphenyl)boronic acid

3-(2-ethoxyphenyl)-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

4-ethoxy-3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)benzene-1-sulfonyl chloride