N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide

Base Information

Chemical Name:N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide
CAS No.:1609380-03-1
Molecular Formula:C₂₄H₁₈F₃N₃O₃
Molecular Weight:453.42
Hs Code.:

Synonyms:N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide

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Chemical Property of N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide

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Technology Process of N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide

There total 4 articles about N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide 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: 45.9%

: 3300-51-4
p-Trifluoromethylbenzylamine

: 1609380-00-8
7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid

: 1609380-03-1
N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide

Guidance literature:: 7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid; With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; water; at 0 ℃; for 0.333333h;

p-Trifluoromethylbenzylamine; In dichloromethane; water; at 0 - 20 ℃; for 9h;
DOI:10.1016/j.ejmech.2014.04.031

Reference yield:

: 1609379-99-8
Ethyl 7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate

: 1609380-03-1
N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogenchloride; water / 2 h / Reflux

2.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; water / 0.33 h / 0 °C

2.2: 9 h / 0 - 20 °C

With hydrogenchloride; water; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; water;
DOI:10.1016/j.ejmech.2014.04.031

Reference yield:

: 16867-55-3
ethyl 7-chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate

: 1609380-03-1
N-(4-trifluoromethylbenzyl)-7-(4-methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,2-dimethoxyethane / 36 h / 90 °C / Inert atmosphere

2.1: hydrogenchloride; water / 2 h / Reflux

3.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; water / 0.33 h / 0 °C

3.2: 9 h / 0 - 20 °C

With hydrogenchloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; water; potassium carbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; In 1,2-dimethoxyethane; dichloromethane; water; 1.1: |Suzuki Coupling;
DOI:10.1016/j.ejmech.2014.04.031