4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine

Base Information

Chemical Name:4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine
CAS No.:1608158-98-0
Molecular Formula:C₂₃H₂₁ClFN₅
Molecular Weight:421.905
Hs Code.:

Synonyms:4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine

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Chemical Property of 4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine

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Technology Process of 4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine

There total 7 articles about 4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine 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:

: 1404507-32-9
4-chloro-1-(2-iodoethyl)-3,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine

: 136725-53-6,169750-17-8,136725-55-8
(S)-3-fluoropyrrolidine hydrochloride

: 1608158-98-0
4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; for 216h;

Reference yield:

: 1606126-57-1
ethyl 2-(5-acetamido-4-iodo-3-phenyl-1H-pyrazol-1-yl)acetate

: 1608158-98-0
4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine

Guidance literature:: Multi-step reaction with 5 steps

1.1: triethylamine / N,N-dimethyl-formamide / 1.5 h / Inert atmosphere

1.2: 2 h / 90 °C / Inert atmosphere

2.1: ethanol; sodium tetrahydroborate / 16 h / 20 °C

3.1: hydrogenchloride; sodium nitrite / 2.08 h / -10 - 20 °C / Sonication

4.1: iodine; triphenylphosphine; 1H-imidazole / dichloromethane / 1 h / 20 °C

5.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 216 h

With 1H-imidazole; hydrogenchloride; sodium tetrahydroborate; ethanol; iodine; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; sodium nitrite; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 1404507-65-8
ethyl 2-[5-acetamido-3-phenyl-4-(2-phenylethynyl)-1H-pyrazol-1-yl]acetate

: 1608158-98-0
4-chloro-1-[2-[(3S)-3-fluoropyrrolidin-1-yl]ethyl]-3,5-diphenyl-pyrazolo[3,4-c]pyridazine

Guidance literature:: Multi-step reaction with 4 steps

1: ethanol; sodium tetrahydroborate / 16 h / 20 °C

2: hydrogenchloride; sodium nitrite / 2.08 h / -10 - 20 °C / Sonication

3: iodine; triphenylphosphine; 1H-imidazole / dichloromethane / 1 h / 20 °C

4: N-ethyl-N,N-diisopropylamine / dichloromethane / 216 h

With 1H-imidazole; hydrogenchloride; sodium tetrahydroborate; ethanol; iodine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; sodium nitrite; In dichloromethane;