7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde

Base Information

Chemical Name:7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde
CAS No.:1273189-83-5
Molecular Formula:C₁₇H₁₆N₄O₂
Molecular Weight:308.34
Hs Code.:

Synonyms:7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde

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Chemical Property of 7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde

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Technology Process of 7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde

There total 6 articles about 7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde 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: 44.0%

: 1273189-81-3
tert-butyl cyclopropyl(3-formyl-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidin-7-yl)carbamate

: 1273189-83-5
7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde

Guidance literature:: tert-butyl cyclopropyl(3-formyl-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidin-7-yl)carbamate; With hydrogenchloride; In 1,4-dioxane; at 20 ℃; for 2h;

With sodium hydroxide; In 1,4-dioxane; water; pH=7 - 10;

Reference yield:

: 57489-77-7
5,7-dichloropyrazolo[1,5-a]pyrimidine

: 1273189-83-5
7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde

Guidance literature:: Multi-step reaction with 5 steps

1.1: triethylamine / acetonitrile / 80 °C

2.1: trichlorophosphate / 3 h / 20 °C

3.1: triethylamine / dichloromethane / 1 h / 20 °C

4.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,2-dimethoxyethane; ethanol; water / 0.75 h / 85 °C

5.1: hydrogenchloride / 1,4-dioxane / 2 h / 20 °C

5.2: pH 7 - 10

With hydrogenchloride; sodium carbonate; triethylamine; trichlorophosphate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; 1,2-dimethoxyethane; ethanol; dichloromethane; water; acetonitrile;

Reference yield:

: 1273189-65-3
5-chloro-N-cyclopropylpyrazolo[1,5-a]pyrimidin-7-amine

: 1273189-83-5
7-(cyclopropylamino)-5-(3-(hydroxymethyl)phenyl)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde

Guidance literature:: Multi-step reaction with 4 steps

1.1: trichlorophosphate / 3 h / 20 °C

2.1: triethylamine / dichloromethane / 1 h / 20 °C

3.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,2-dimethoxyethane; ethanol; water / 0.75 h / 85 °C

4.1: hydrogenchloride / 1,4-dioxane / 2 h / 20 °C

4.2: pH 7 - 10

With hydrogenchloride; sodium carbonate; triethylamine; trichlorophosphate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; 1,2-dimethoxyethane; ethanol; dichloromethane; water;