8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide

Base Information

Chemical Name:8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide
CAS No.:1401993-78-9
Molecular Formula:C₂₂H₂₃F₃N₄O₃
Molecular Weight:448.445
Hs Code.:

Synonyms:8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide

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Chemical Property of 8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide

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Technology Process of 8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide

There total 5 articles about 8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-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:

: 1251264-73-9
1-(4-(trifluoromethyl)phenyl)-1H-pyrazol-4-amine

: 1401994-80-6
8-ethyl-3-methyl-2-oxo-1-oxa-8-aza-spiro[4.5]dec-3-ene-4-carboxylic acid, hydrochloride salt

: 1401993-78-9
8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide

Guidance literature:: With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In dichloromethane; at 0 - 20 ℃; for 48h;

Reference yield:

: 402-43-7
p-trifluoromethylphenyl bromide

: 1401993-78-9
8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1: potassium carbonate; copper(l) iodide / N,N-dimethyl-formamide / Reflux

2: hydrogen / Raney Nickel / ethyl acetate; methanol / 4 h / 20 °C

3: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 48 h / 0 - 20 °C

With copper(l) iodide; hydrogen; potassium carbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; Raney Nickel; In methanol; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;

Reference yield:

: 1355534-07-4
4-nitro-1-(4-trifluoromethyl-phenyl)-1H-pyrazole

: 1401993-78-9
8-ethyl-3-methyl-2-oxo-N-{1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-yl}-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1: hydrogen / Raney Nickel / ethyl acetate; methanol / 4 h / 20 °C

2: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 48 h / 0 - 20 °C

With hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; Raney Nickel; In methanol; dichloromethane; ethyl acetate;