N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide

Base Information

Chemical Name:N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide
CAS No.:1221713-69-4
Molecular Formula:C₂₅H₁₉BrFN₅O₃
Molecular Weight:536.36
Hs Code.:

Synonyms:N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide

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Chemical Property of N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide

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Technology Process of N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide

There total 9 articles about N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-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: 63.0%

: 1221714-45-9
4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluoroaniline

: 83-10-3
antipyric acid

: 1221713-69-4
N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide

Guidance literature:: With triethylamine; HATU; In N,N-dimethyl-formamide; at 50 ℃;

Reference yield:

: 950-81-2
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

: 1221713-69-4
N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1: sodium chlorite; potassium phosphate monohydrate / water; tert-butyl alcohol / 0 - 20 °C

2: triethylamine; HATU / N,N-dimethyl-formamide / 50 °C

With sodium chlorite; potassium phosphate monohydrate; triethylamine; HATU; In water; N,N-dimethyl-formamide; tert-butyl alcohol;

Reference yield:

: 156335-36-3
diethyl (1-pyrrolyl)aminomethylenepropanedioate

: 1221713-69-4
N-(4-(5-bromopyrrolo[1,2-b]pyridazin-4-yloxy)-3-fluorophenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide

Guidance literature:: Multi-step reaction with 8 steps

1.1: diphenylether / 2 h / 220 °C / Inert atmosphere

2.1: sodium hydroxide; water / ethanol / 100 °C

2.2: pH 2

3.1: dimethyl sulfoxide / 1 h / 150 °C

4.1: toluene / 1 h / Reflux; Inert atmosphere

5.1: water; 1,8-diazabicyclo[5.4.0]undec-7-ene / dimethyl sulfoxide / 80 °C

6.1: N-Bromosuccinimide / chloroform / 0 °C

7.1: zinc; ammonium chloride / tetrahydrofuran; methanol / 1.5 h / 70 °C

8.1: triethylamine; HATU / N,N-dimethyl-formamide / 50 °C

With N-Bromosuccinimide; water; ammonium chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; HATU; sodium hydroxide; zinc; In tetrahydrofuran; methanol; diphenylether; ethanol; chloroform; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;