7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile

Base Information

Chemical Name:7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile
CAS No.:1567848-36-5
Molecular Formula:C₁₉H₁₁Cl₂N₇O
Molecular Weight:424.249
Hs Code.:

Synonyms:7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile

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Chemical Property of 7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile

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Technology Process of 7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile

There total 3 articles about 7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile 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: 71.0%

: 6627-93-6
5-Amino-4-phenylazo-1,2-dihydro-pyrazol-3-one

: 874-42-0
2,4-dichlorobenzaldeyhde

: 109-77-3
malononitrile

: 1567848-36-5
7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile

Guidance literature:: With magnesium oxide; In water; for 0.333333h; Reagent/catalyst; chemoselective reaction; Reflux;
DOI:10.2174/15701786113106660066

Reference yield:

: 5335-36-4
ethyl phenylazocyanoacetate

: 1567848-36-5
7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / Reflux

2: magnesium oxide / water / 0.33 h / Reflux

With magnesium oxide; hydrazine hydrate; In ethanol; water;
DOI:10.2174/15701786113106660066

Reference yield:

: 62-53-3
aniline

: 1567848-36-5
7-amino-5-(2,4-dichlorophenyl)-2-hydroxy-3-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium nitrite; hydrogenchloride

1.2: 0 - 5 °C

2.1: hydrazine hydrate / ethanol / Reflux

3.1: magnesium oxide / water / 0.33 h / Reflux

With hydrogenchloride; magnesium oxide; hydrazine hydrate; sodium nitrite; In ethanol; water;
DOI:10.2174/15701786113106660066