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Sodium Carbonate → N-[(2S)-5-(2,6-difluoro-3-pyridinyl)-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide

HRID 2100708
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HRID 2100708 반응식
[F:1][C:2]1[C:7](B(O)O)=[CH:6][CH:5]=[C:4]([F:11])[N:3]=1.Br[C:13]1[CH:14]=[C:15]2[C:19](=[CH:20][CH:21]=1)[CH2:18][C@H:17]([NH:22][S:23]([CH:26]([CH3:28])[CH3:27])(=[O:25])=[O:24])[CH2:16]2.C([O-])([O-])=O.[Na+].[Na+]>O1CCOCC1.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:1][C:2]1[C:7]([C:13]2[CH:14]=[C:15]3[C:19](=[CH:20][CH:21]=2)[CH2:18][C@H:17]([NH:22][S:23]([CH:26]([CH3:28])[CH3:27])(=[O:24])=[O:25])[CH2:16]3)=[CH:6][CH:5]=[C:4]([F:11])[N:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 3

HCID 10340Sodium CarbonateHCID 2762713(2,6-Difluoropyridin-3-yl)boronic acidHCID 46899974(S)-N-(5-bromo-2,3-dihydro-1H-inden-2-yl)propane-2-sulfonamide

생성물 1

HCID 11523193N-[(2S)-5-(2,6-difluoro-3-pyridinyl)-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide

시약·촉매·용매 3

HCID 178418397HCID 178418397, 화합물
촉매
HCID 962Water용매
HCID 312751,4-Dioxane용매

실험 절차

To a solution of (2,6-difluoro-3-pyridinyl)boronic acid (2 g, 12.56 mmol) in dry 1,4 dioxane (30 ml), polymer supported Pd(PPh3)4 (126 mg, 0.5 mmol/g, 0.063 mmol) was added along with N-[(2S)-5-bromo-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide (2 g, 6.28 mmol) and 7.3 ml of a 2M Na2CO3 solution in water and the resulting mixture was heated at 90° degrees for 3 hours. Then after cooling the resin was removed by filtration and then the solvent was removed under reduced pressure. The residue was taken up with AcOEt and water. The aqueous phase was separated and acidified with 3N HCl and extracted with AcOEt. Then pH was reverted to basic by addition of NaHCO3 and another extraction with AcOEt was performed. All the organic extracts were collected, dried on Na2SO4, filtered and evaporated. The crude was finally purified on a 40M+ silica cartridge eluting with a cyclohexane/AcOEt 80/20 mixture. 798 mg of title compound were recovered as whitish solid (36%) Due to the use of the chiral Intermediate 6, the title compound is believed to be N-[(2S)-5-(2,6-difluoro-3-pyridinyl)-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide.

후처리

  1. temperaturethe resulting mixture was heated at 90° degrees for 3 hours
  2. temperatureThen after cooling the resin
  3. customwas removed by filtration
  4. customthe solvent was removed under reduced pressure
  5. customThe aqueous phase was separated
  6. extractionextracted with AcOEt
  7. additionbasic by addition of NaHCO3
  8. extractionanother extraction with AcOEt
  9. customAll the organic extracts were collected
  10. customdried on Na2SO4
  11. filtrationfiltered
  12. customevaporated
  13. customThe crude was finally purified on a 40M+ silica cartridge
  14. washeluting with a cyclohexane/AcOEt 80/20 mixture
  15. custom798 mg of title compound were recovered as whitish solid (36%) Due to the use of the chiral Intermediate 6

출처 및 근거

ORD 기록
ord-ee902bf0faad406a8fd687181f31ae71
출처 데이터셋
uspto-grants-2009_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07572819B2

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