4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid

Base Information

Chemical Name:4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid
CAS No.:1354703-98-2
Molecular Formula:C₂₄H₁₇N₇O₄S
Molecular Weight:499.509
Hs Code.:

Synonyms:4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid

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Chemical Property of 4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid

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Technology Process of 4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid

There total 6 articles about 4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid 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: 76.0%

: 1354703-76-6
1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylamine

: 89-36-1
4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid

: 1354703-98-2
4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid

Guidance literature:: 1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylamine; With hydrogenchloride; sodium nitrite; In water; at 0 - 70 ℃; for 1.5h;

4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid; With sodium carbonate; sodium hydroxide; In water; at 0 - 60 ℃; pH=8;
DOI:10.1007/s11164-011-0426-4

Reference yield:

: 883258-02-4
2-chlorobenzo[h]quinoline-3-carbaldehyde

: 1354703-98-2
4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid

Guidance literature:: Multi-step reaction with 4 steps

1.1: hydroxylamine hydrochloride; sodium acetate / ethanol / 1 h / 20 °C

2.1: thionyl chloride / benzene / 1.5 h / Reflux

3.1: hydrazine hydrate / ethanol / 24 h / Reflux

4.1: hydrogenchloride; sodium nitrite / water / 1.5 h / 0 - 70 °C

4.2: 0 - 60 °C / pH 8

With hydrogenchloride; thionyl chloride; hydroxylamine hydrochloride; sodium acetate; hydrazine hydrate; sodium nitrite; In ethanol; water; benzene;
DOI:10.1007/s11164-011-0426-4

Reference yield:

: 1354703-73-3
2-chlorobenzo[g]quinoline-3-carbonitrile

: 1354703-98-2
4-[4-(1H-benzo[g]pyrazolo[3,4-b]quinoline-3-ylazo-3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)]benzenesulfonic acid

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrazine hydrate / ethanol / 24 h / Reflux

2.1: hydrogenchloride; sodium nitrite / water / 1.5 h / 0 - 70 °C

2.2: 0 - 60 °C / pH 8

With hydrogenchloride; hydrazine hydrate; sodium nitrite; In ethanol; water;
DOI:10.1007/s11164-011-0426-4