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

Base Information

Chemical Name:4-ethoxy-3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)benzene-1-sulfonyl chloride
CAS No.:1607820-48-3
Molecular Formula:C₁₄H₁₄ClN₅O₃S
Molecular Weight:367.816
Hs Code.:

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

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

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

There total 11 articles about 4-ethoxy-3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)benzene-1-sulfonyl chloride 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: 85.0%

: 1607820-47-2
3-(2-ethoxyphenyl)-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

: 1607820-48-3
4-ethoxy-3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)benzene-1-sulfonyl chloride

Guidance literature:: With chlorosulfonic acid; at 0 - 20 ℃; for 2h; Inert atmosphere;
DOI:10.1016/j.bmc.2014.10.009

Reference yield:

: 682319-80-8
1,3-dimethyl-5-(methylsulfanyl)-1H-pyrazolo[4,3-e][1,2,4]triazine

: 1607820-48-3
4-ethoxy-3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)benzene-1-sulfonyl chloride

Guidance literature:: Multi-step reaction with 2 steps

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

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

With chlorosulfonic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(I) 2-hydroxy-3-methylbenzoate; In tetrahydrofuran;
DOI:10.1016/j.bmc.2014.03.029

Reference yield:

: 94243-19-3
5-acetyl-3-methylsulfanyl-1,2,4-triazine oxime

: 1607820-48-3
4-ethoxy-3-(1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazin-5-yl)benzene-1-sulfonyl chloride

Guidance literature:: Multi-step reaction with 5 steps

1: sodium dithionite; water / 1,4-dioxane / 24 h / 20 °C

2: toluene-4-sulfonic acid / ethanol / 0.25 h / 20 °C

3: toluene-4-sulfonic acid / neat (no solvent) / 0.02 h / 140 °C

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

5: chlorosulfonic acid / 2 h / 0 - 20 °C / Inert atmosphere

With chlorosulfonic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium dithionite; copper(I) 2-hydroxy-3-methylbenzoate; water; toluene-4-sulfonic acid; In tetrahydrofuran; 1,4-dioxane; ethanol;
DOI:10.3109/14756366.2015.1024674