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Cesium carbonate → tert-Butyl (3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-pyridin-4-ylazepan-3-ylcarbamate

HRID 967573
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HRID 967573 반응식
Br[C:2]1[CH:7]=[CH:6][N:5]=[CH:4][CH:3]=1.[F:8][C:9]1[C:14]([F:15])=[CH:13][CH:12]=[CH:11][C:10]=1[C@H:16]1[CH2:22][NH:21][C:20](=[O:23])[C@H:19]([NH:24][C:25](=[O:31])[O:26][C:27]([CH3:30])([CH3:29])[CH3:28])[CH2:18][CH2:17]1.C1(P(C2C=CC=CC=2)C2C3OC4C(=CC=CC=4P(C4C=CC=CC=4)C4C=CC=CC=4)C(C)(C)C=3C=CC=2)C=CC=CC=1.C(=O)([O-])[O-].[Cs+].[Cs+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[F:8][C:9]1[C:14]([F:15])=[CH:13][CH:12]=[CH:11][C:10]=1[C@H:16]1[CH2:22][N:21]([C:2]2[CH:7]=[CH:6][N:5]=[CH:4][CH:3]=2)[C:20](=[O:23])[C@H:19]([NH:24][C:25](=[O:31])[O:26][C:27]([CH3:29])([CH3:28])[CH3:30])[CH2:18][CH2:17]1
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참가 물질

7

반응물 4

HCID 10796Cesium carbonateHCID 142684-BromopyridineHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)2회HCID 23657400tert-Butyl [(3R,6S)-6-(2,3-difluorophenyl)-2-oxoazepan-3-yl]carbamate

생성물 1

HCID 86595044tert-Butyl (3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-pyridin-4-ylazepan-3-ylcarbamate수율 22.4%

시약·촉매·용매 2

HCID 9811564Bis(dibenzylideneacetone)palladium촉매2회HCID 312751,4-Dioxane용매

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온도
150 °C

실험 절차

4-Bromopyridine (286 mg, 1.47 mmol) was added to a solution of tert-butyl (3R,6S)-6-(2,3-difluorophenyl)-2-oxoazepan-3-ylcarbamate (200 mg, 0.588 mmol), 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (20 mg, 0.035 mmol), tris(dibenzylideneacetone)dipalladium(0) (22 mg, 0.024 mmol), and cesium carbonate (268 mg, 0.823 mmol) in dioxane (6 mL) and the mixture was heated at 150° C. in a Personal Chemistry Smith Creator™ microwave reactor. After 30 min, an additional amount of 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (20 mg, 0.035 mmol) and tris(dibenzylideneacetone)dipalladium(0) (22 mg, 0.024 mmol) were added. After 30 min, the mixture was partitioned between ethyl acetate and water. The organic layer was washed with water (2×), saturated brine, dried over magnesium sulfate, filtered and concentrated to give the title compound (55 mg). MS 418.2 (M+1).

후처리

  1. waitAfter 30 min
  2. customthe mixture was partitioned between ethyl acetate and water
  3. washThe organic layer was washed with water (2×), saturated brine
  4. dry with materialdried over magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-b78806487a0b406087c51a0c1b21d3f0
출처 데이터셋
uspto-grants-2005_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06953790B2

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