5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

Base Information

Chemical Name:5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine
CAS No.:1607820-50-7
Molecular Formula:C₁₈H₂₃N₇O₃S
Molecular Weight:417.492
Hs Code.:

Synonyms:5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

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Chemical Property of 5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

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Technology Process of 5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

There total 10 articles about 5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine 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: 92.0%

: 110-85-0
piperazine

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

: 1607820-50-7
5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

Guidance literature:: In acetonitrile; at 20 ℃;
DOI:10.1016/j.bmc.2014.10.009

Reference yield:

: 213211-69-9
(2-ethoxyphenyl)boronic acid

: 1607820-50-7
5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

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:

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

: 1607820-50-7
5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)-phenyl]-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]-triazine

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