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4-Toluenesulfonyl chloride → 2-{6-[Bis(tert-butoxycarbonyl)amino]-4-chloro-1-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}ethyl 4-methylbenzenesulfonate

HRID 1693266
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1693266
C(N(CC)CC)C.[C:8]1([CH3:18])[CH:13]=[CH:12][C:11]([S:14](Cl)(=[O:16])=[O:15])=[CH:10][CH:9]=1.[C:19]([O:23][C:24]([N:26]([C:34]1[N:39]=[C:38]2[N:40]([CH2:46][C:47]3[C:52]([CH3:53])=[C:51]([O:54][CH3:55])[C:50]([CH3:56])=[CH:49][N:48]=3)[N:41]=[C:42]([CH2:43][CH2:44][OH:45])[C:37]2=[C:36]([Cl:57])[N:35]=1)[C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])=[O:25])([CH3:22])([CH3:21])[CH3:20]>CN(C)C1C=CN=CC=1.ClCCl>[CH3:18][C:8]1[CH:13]=[CH:12][C:11]([S:14]([O:45][CH2:44][CH2:43][C:42]2[C:37]3[C:38](=[N:39][C:34]([N:26]([C:24]([O:23][C:19]([CH3:22])([CH3:20])[CH3:21])=[O:25])[C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])=[N:35][C:36]=3[Cl:57])[N:40]([CH2:46][C:47]3[C:52]([CH3:53])=[C:51]([O:54][CH3:55])[C:50]([CH3:56])=[CH:49][N:48]=3)[N:41]=2)(=[O:16])=[O:15])=[CH:10][CH:9]=1
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Komponenten

6

Edukt 3

HCID 73974-Toluenesulfonyl chlorideHCID 8471TriethylamineHCID 59311523di-tert-butyl{4-chloro-3-(2-hydroxyethyl)-1-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-1H-pyrazolo[3,4-d]pyrimidin-6-yl}imidodicarbonate

Produkt 1

HCID 593114662-{6-[Bis(tert-butoxycarbonyl)amino]-4-chloro-1-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}ethyl 4-methylbenzenesulfonateAusbeute 91 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 142844-(Dimethylamino)pyridineKatalysatorHCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

Triethylamine (0.048 mL), p-toluenesulfonyl chloride (43 mg) and 4-dimethylaminopyridine (0.7 mg) were added to a mixture composed of di-tert-butyl{4-chloro-3-(2-hydroxyethyl)-1-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-1H-pyrazolo[3,4-d]pyrimidin-6-yl}imidodicarbonate of 8) above (64 mg) and dehydrated dichloromethane (1 mL) under cooling in an ice bath. The ice bath was removed and the mixture was stirred for 12 hours. The reaction mixture was diluted with ethyl acetate and sequentially washed with water and brine. The organic layer was dried over anhydrous sodium sulfate and filtered, and then the filtrate was concentrated under reduced pressure. The resulting residue was purified by silica gel column chromatography (ethyl acetate-hexane) to obtain the title compound (74 mg, 91%) as an amorphous substance.

Aufarbeitung

  1. temperatureunder cooling in an ice bath
  2. customThe ice bath was removed
  3. additionThe reaction mixture was diluted with ethyl acetate
  4. washsequentially washed with water and brine
  5. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. concentrationthe filtrate was concentrated under reduced pressure
  8. customThe resulting residue was purified by silica gel column chromatography (ethyl acetate-hexane)

Quellen und Nachweise

ORD-Eintrag
ord-631433f2ceac4770acc98b76d2e628b3
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08158638B2

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