N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

Base Information

Chemical Name:N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide
CAS No.:1323157-76-1
Molecular Formula:C₂₇H₂₈N₆O
Molecular Weight:452.559
Hs Code.:

Synonyms:N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

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Chemical Property of N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

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Technology Process of N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

There total 6 articles about N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-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:

: 802535-83-7
1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylic acid

: 579-66-8
2,6-diethylaniline

: 1323157-76-1
N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

Guidance literature:: With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 20 ℃;
DOI:10.1016/j.bmcl.2011.05.122

Reference yield:

: 802535-77-9
ethyl 8-iodo-1-methyl-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylate

: 1323157-76-1
N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1: palladium diacetate; potassium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl / N,N-dimethyl-formamide / 4 h / 80 °C / Inert atmosphere

2: ethanol; potassium hydroxide / 1 h / Reflux

3: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 °C

With ethanol; palladium diacetate; potassium carbonate; benzotriazol-1-ol; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; potassium hydroxide; In N,N-dimethyl-formamide; 1: Buchwald-Hartwig coupling;
DOI:10.1016/j.bmcl.2011.05.122

Reference yield:

: 802541-37-3
ethyl 6-[(dimethylamino)methylidene]-1-methyl-7-oxo-4,5,6,7-tetrahydro-1H-indazole-3-carboxylate

: 1323157-76-1
N-(2,6-diethylphenyl)-1-methyl-8-(phenylamino)-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1: N,N-dimethyl-formamide / 6 h / 110 °C

2: ethanol; potassium hydroxide / 1 h / Reflux

3: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 °C

With ethanol; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; potassium hydroxide; In N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2011.05.122