tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate

Base Information

Chemical Name:tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate
CAS No.:1464159-13-4
Molecular Formula:C₂₉H₂₈N₆O₃
Molecular Weight:508.58
Hs Code.:

Synonyms:tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate

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Chemical Property of tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate

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Technology Process of tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate

There total 6 articles about tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate 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: 42.0%

: 1464158-98-2
4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoic acid

: 57260-71-6
1-t-Butoxycarbonylpiperazine

: 1464159-13-4
tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate

Guidance literature:: 4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoic acid; With 4-methyl-morpholine; HATU; In N,N-dimethyl-formamide; at 20 ℃; for 0.5h;

1-t-Butoxycarbonylpiperazine; In N,N-dimethyl-formamide; for 16h;

Reference yield:

: 4334-88-7
p-ethoxycarbonylphenylboronic acid

: 1464159-13-4
tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium phosphate / water; 1,4-dioxane / 4 h / 90 °C / Inert atmosphere

2.1: N-Bromosuccinimide / acetonitrile / 1 h / 0 °C

3.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium phosphate / water; 1,4-dioxane / 3 h / 90 °C / Inert atmosphere

4.1: lithium hydroxide; water / tetrahydrofuran / 16 h / 20 °C

5.1: 4-methyl-morpholine; HATU / N,N-dimethyl-formamide / 0.5 h / 20 °C

5.2: 16 h

With 4-methyl-morpholine; potassium phosphate; N-Bromosuccinimide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; water; HATU; lithium hydroxide; In tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

: 1159981-95-9
5-bromopyrazolo[1,5-a]pyrimidine

: 1464159-13-4
tert-butyl 4-(4-(3-(4-cyanophenyl)pyrazolo[1,5-a]pyrimidin-5-yl)benzoyl)piperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium phosphate / water; 1,4-dioxane / 4 h / 90 °C / Inert atmosphere

2.1: N-Bromosuccinimide / acetonitrile / 1 h / 0 °C

3.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium phosphate / water; 1,4-dioxane / 3 h / 90 °C / Inert atmosphere

4.1: lithium hydroxide; water / tetrahydrofuran / 16 h / 20 °C

5.1: 4-methyl-morpholine; HATU / N,N-dimethyl-formamide / 0.5 h / 20 °C

5.2: 16 h

With 4-methyl-morpholine; potassium phosphate; N-Bromosuccinimide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; water; HATU; lithium hydroxide; In tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide; acetonitrile;