3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine

Base Information

Chemical Name:3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine
CAS No.:328554-03-6
Molecular Formula:C₂₁H₁₈FN₃O₂S
Molecular Weight:395.457
Hs Code.:

3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-<i>a</i>]pyrimidine

Synonyms:3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine

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Technology Process of 3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine

There total 4 articles about 3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine 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: 70.0%

: 3-methyl-4-methoxy-3-buten-2-one

: 328553-87-3
3-amino-4-(4-fluorophenyl)-5-(4-methylsulfonylphenyl)pyrazole

: 328554-03-6
3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine

Guidance literature:: With hydrogenchloride; In ethanol; at 78 ℃; for 4h;
DOI:10.1021/jm0009383

Reference yield: 62.0%

: 40572-79-0
4-hydroxy-3-methyl-3-buten-2-one

: 328553-87-3
3-amino-4-(4-fluorophenyl)-5-(4-methylsulfonylphenyl)pyrazole

: 328554-03-6
3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine

: 3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-5,6-dimethyl-pyrazolo[1,5-a]pyrimidine

Guidance literature:: In toluene; for 2h; Heating;
DOI:10.1021/jm0009383

Reference yield:

: 163304-90-3
2-(4-fluorophenyl)-1-(4-(methylsulfonyl)phenyl)ethanone

: 328554-03-6
3-(4-fluoro-phenyl)-2-(4-methanesulfonyl-phenyl)-6,7-dimethyl-pyrazolo[1,5-a]pyrimidine

Guidance literature:: Multi-step reaction with 3 steps

1.1: POCl₃ / CHCl₃ / 0.25 h / 0 °C

1.2: CHCl₃ / 18 h / 80 °C

1.3: NH₂OH*HCl / dimethylformamide / 4 h / 20 °C

2.1: 52 percent / NH₂NH₂*H₂O / ethanol / 18 h / 78 °C

3.1: 6 percent / toluene / 2 h / Heating

With hydrazine hydrate; trichlorophosphate; In ethanol; chloroform; toluene;
DOI:10.1021/jm0009383