3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

Base Information

Chemical Name:3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine
CAS No.:761000-10-6
Molecular Formula:C₁₇H₁₅FN₄O₂S
Molecular Weight:358.396
Hs Code.:

3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5<i>H</i>-pyrazolo[5,1-<i>b</i>][1,3]oxazine

Synonyms:3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

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Chemical Property of 3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

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Technology Process of 3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

There total 5 articles about 3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine 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: 100.0%

: 761000-08-2
3-(4-fluoro-phenyl)-2-(2-methylsulfanyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

: 761000-10-6
3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

Guidance literature:: With 3-chloro-benzenecarboperoxoic acid; In chloroform; at 0 ℃;
DOI:10.1016/j.bmcl.2004.07.024

Reference yield:

: 34837-84-8
4-fluorobenzeneacetic acid methyl ester

: 761000-10-6
3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

Guidance literature:: Multi-step reaction with 5 steps

1: 76 percent / LDA / tetrahydrofuran / -78 °C

2: 43 percent / CrO₃; pyridine / CH₂Cl₂

3: 81 percent / semicarbazide hydrochloride / ethanol / 78 °C

4: 44 percent / NaH / dimethylformamide / 20 °C

5: 100 percent / mCPBA / CHCl₃ / 0 °C

With pyridine; chromium(VI) oxide; semicarbazide hydrochloride; sodium hydride; 3-chloro-benzenecarboperoxoic acid; lithium diisopropyl amide; In tetrahydrofuran; ethanol; dichloromethane; chloroform; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2004.07.024

Reference yield:

: 1074-68-6
4-formyl-2-(methylthio)pyrimidine

: 761000-10-6
3-(4-fluoro-phenyl)-2-(2-methanesulfinyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine

Guidance literature:: Multi-step reaction with 5 steps

1: 76 percent / LDA / tetrahydrofuran / -78 °C

2: 43 percent / CrO₃; pyridine / CH₂Cl₂

3: 81 percent / semicarbazide hydrochloride / ethanol / 78 °C

4: 44 percent / NaH / dimethylformamide / 20 °C

5: 100 percent / mCPBA / CHCl₃ / 0 °C

With pyridine; chromium(VI) oxide; semicarbazide hydrochloride; sodium hydride; 3-chloro-benzenecarboperoxoic acid; lithium diisopropyl amide; In tetrahydrofuran; ethanol; dichloromethane; chloroform; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2004.07.024