Water → Methyl 2',3'-difluoro-5-(5-methylpyridin-2-yl)biphenyl-3-carboxylate

HRID 2278722노트

반응식

HRID 2278722 반응식
[CH3:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[CH:9]=[C:10]([CH:15]=[C:16](B3OC(C)(C)C(C)(C)O3)[CH:17]=2)[C:11]([O:13][CH3:14])=[O:12])=[N:6][CH:7]=1.Br[C:28]1[CH:33]=[CH:32][CH:31]=[C:30]([F:34])[C:29]=1[F:35].C(=O)([O-])[O-].[Cs+].[Cs+].O>[I-].C([N+](CCCC)(CCCC)CCCC)CCC.CN(C)C=O>[F:34][C:30]1[C:29]([F:35])=[CH:28][CH:33]=[CH:32][C:31]=1[C:16]1[CH:17]=[C:8]([C:5]2[CH:4]=[CH:3][C:2]([CH3:1])=[CH:7][N:6]=2)[CH:9]=[C:10]([C:11]([O:13][CH3:14])=[O:12])[CH:15]=1

참가 물질

7

반응물 4

HCID 962WaterHCID 10796Cesium carbonateHCID 27332601-Bromo-2,3-difluorobenzeneHCID 59432564Methyl 3-(5-methylpyridin-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate

생성물 1

HCID 58449385Methyl 2',3'-difluoro-5-(5-methylpyridin-2-yl)biphenyl-3-carboxylate

시약·촉매·용매 2

HCID 67553Tetrabutylammonium Iodide촉매HCID 6228Dimethylformamide용매

실험 절차

Into a 5 mL microwave vial were charged with methyl 3-(5-methylpyridin-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (250 mg, 0.71 mmol), 1-bromo-2,3-difluorobenzene (273 mg, 1.42 mmol), cesium carbonate (1.15 g, 3.54 mmol), tetra-n-butylammonium iodide (261 mg, 0.71 mmol), POPd (35 mg, 0.071 mmol), water (0.5 mL) and N,N-dimethylformamide (3 mL). The reaction mixture was subjected to microwave irradiation at 150° C. for 10 mins. After cooling, the reaction mixture was extracted with ethylacetate. The organic layer was washed with brine, dried, and concentrated under reduced pressure to give the residue which was purified by silica gel column to yield the title compound.

후처리

  1. customirradiation at 150° C. for 10 mins
  2. temperatureAfter cooling
  3. extractionthe reaction mixture was extracted with ethylacetate
  4. washThe organic layer was washed with brine
  5. customdried
  6. concentrationconcentrated under reduced pressure
  7. customto give the residue which
  8. customwas purified by silica gel column

출처 및 근거

ORD 기록
ord-5117508c65dd43a1af6590cbf3994f49
출처 데이터셋
uspto-grants-2015_09
특허 번호
US09133122B2

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