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Sulfur → 2-(4-Fluorophenyl)-3-(2-methylpyridin-4-yl)pyrazolo[1,5-a]pyrimidine

HRID 2260535
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인쇄 미리보기

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HRID 2260535 반응식
C([N:4]1[CH:9]=[CH:8][C:7]([C:10]2[C:11]([C:19]3[CH:24]=[CH:23][C:22]([F:25])=[CH:21][CH:20]=3)=[N:12][N:13]3[CH:18]=[CH:17][CH:16]=[N:15][C:14]=23)=[CH:6][CH:5]1[CH3:26])(=O)C.[S]>C1C2C(CCCC2)CCC1>[F:25][C:22]1[CH:23]=[CH:24][C:19]([C:11]2[C:10]([C:7]3[CH:8]=[CH:9][N:4]=[C:5]([CH3:26])[CH:6]=3)=[C:14]3[N:15]=[CH:16][CH:17]=[CH:18][N:13]3[N:12]=2)=[CH:20][CH:21]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 5362487SulfurHCID 199572613-(1-Acetyl-l,2-dihydro-2-methylpyridin-4-yl)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidine

생성물 1

HCID 199572772-(4-Fluorophenyl)-3-(2-methylpyridin-4-yl)pyrazolo[1,5-a]pyrimidine수율 49.1%

시약·촉매·용매 1

HCID 7044Decalin용매

반응 조건

온도
190 °C

실험 절차

A mixture of 3-(1-acetyl-1,2-dihydro-2-methylpyridin-4-yl)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidine (315 mg) and sulfur (146 mg) in decaline (3 ml) was stirred at 190° C. for 2 hours. The reaction mixture was cooled and purified by column chromatography on silica gel to give 2-(4-fluorophenyl)- 3-(2-methylpyridin-4-yl) pyrazolo[1,5-a]pyrimidine (135 mg) as crystals.

후처리

  1. temperatureThe reaction mixture was cooled
  2. custompurified by column chromatography on silica gel

출처 및 근거

ORD 기록
ord-8a74a79e7f544fd890fbc182cee36d45
출처 데이터셋
uspto-grants-1995_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05478827

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