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

HRID 1435725
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1435725
CC1(C)C(C)(C)OB([C:9]2[CH:10]=[C:11]3[C:15](=[CH:16][CH:17]=2)[CH2:14][C@H:13]([NH:18][S:19]([CH:22]([CH3:24])[CH3:23])(=[O:21])=[O:20])[CH2:12]3)O1.FC(F)(F)S(O[C:32]1[CH:33]=[N:34][CH:35]=[C:36]([CH3:38])[CH:37]=1)(=O)=O.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>[CH3:38][C:36]1[CH:37]=[C:32]([C:9]2[CH:10]=[C:11]3[C:15](=[CH:16][CH:17]=2)[CH2:14][C@H:13]([NH:18][S:19]([CH:22]([CH3:23])[CH3:24])(=[O:20])=[O:21])[CH2:12]3)[CH:33]=[N:34][CH:35]=1
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Komponenten

7

Edukt 3

HCID 10340Sodium CarbonateHCID 46899977(S)-N-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-inden-2-yl)propane-2-sulfonamideHCID 578000595-Methyl-3-pyridinyl trifluoromethanesulfonate

Produkt 1

HCID 11638501N-[(2S)-5-(5-methyl-3-pyridinyl)-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 962WaterLösungsmittel
HCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

To a solution of N-[(2S)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide (250 mg, 0.68 mmol) in dry 1,4 dioxane (5 ml), polymer supported Pd(PPh3)4 (70 mg, 0.11 mmol/g, 0.0068 mmol) was added along with 5-methyl-3-pyridinyl trifluoromethanesulfonate (241 mg, 1.026 mmol) and 680 μl 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 DCM, washed with water and loaded on a 25M+ silica cartridge eluating with a cyclohexane/AcOEt 75/25 mixture. 95 mg of title compound were recovered as whitish solid (42%). Due to the use of chiral Intermediate 7, the final compound is believed to be N-[(2S)-5-(5-methyl-3-pyridinyl)-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide.

Aufarbeitung

  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. washwashed with water
  6. custom95 mg of title compound were recovered as whitish solid (42%)

Quellen und Nachweise

ORD-Eintrag
ord-70847e6b8eb843cd8faea283eb6eabe6
Quelldatensatz
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07618969B2

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