2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one

Base Information

Chemical Name:2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one
CAS No.:702695-65-6
Molecular Formula:C₁₈H₁₇FN₄O₃S
Molecular Weight:388.422
Hs Code.:

2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-<i>a</i>]pyridazin-1-one

Synonyms:2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one

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Chemical Property of 2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one

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Technology Process of 2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one

There total 8 articles about 2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one 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:

: 702695-62-3
2-(4-fluorophenyl)-3-(2-methylsulfanylpyrimidin-4-yl)-5,6,7,8-tetrahydropyrazolo[1,2-a]pyridazin-1-one

: 702695-65-6
2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one

Guidance literature:: With Oxone; In tetrahydrofuran; methanol; water; at 20 ℃; for 1h;
DOI:10.1021/jm049968m

Reference yield:

: 154972-38-0
benzyl 2-(tert-butoxycarbonyl)hexahydropyridazine-1-carboxylate

: 702695-65-6
2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: SOCl₂ / methanol / 20 °C

1.2: aq. NaOH / CH₂Cl₂ / 20 °C

2.1: H₂ / Pd/C / methanol

3.1: aq. NaOH / CH₂Cl₂ / 20 °C

4.1: NaH / dimethylformamide / 0 °C

5.1: 0.8 g / OXONE (R) / tetrahydrofuran; methanol; H₂O / 1 h / 20 °C

With Oxone; sodium hydroxide; thionyl chloride; hydrogen; sodium hydride; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1021/jm049968m

Reference yield:

: 2-[2-(4-Fluoro-phenyl)-acetyl]-tetrahydro-pyridazine-1-carboxylic acid benzyl ester

: 702695-65-6
2-(4-fluoro-phenyl)-3-(2-methanesulfonyl-pyrimidin-4-yl)-5,6,7,8-tetrahydro-pyrazolo[1,2-a]pyridazin-1-one

Guidance literature:: Multi-step reaction with 4 steps

1: H₂ / Pd/C / methanol

2: aq. NaOH / CH₂Cl₂ / 20 °C

3: NaH / dimethylformamide / 0 °C

4: 0.8 g / OXONE (R) / tetrahydrofuran; methanol; H₂O / 1 h / 20 °C

With Oxone; sodium hydroxide; hydrogen; sodium hydride; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1021/jm049968m