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2-Amino-1-phenylpropan-1-ol hydrochloride → alpha-[1-[(1-phenyl-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino]ethyl]benzenemethanol

HRID 1728917
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1728917
[C:1]1([N:7]2[C:11]3=[N:12][C:13]([Cl:17])=[N:14][C:15](Cl)=[C:10]3[CH:9]=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:18][CH:19]([NH2:28])[CH:20]([OH:27])[C:21]1[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=1.Cl.[OH-].[K+]>C(O)C.O>[C:1]1([N:7]2[C:11]3=[N:12][C:13]([Cl:17])=[N:14][C:15]([NH:28][CH:19]([CH:20]([C:21]4[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=4)[OH:27])[CH3:18])=[C:10]3[CH:9]=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1
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Komponenten

6

Edukt 3

HCID 90652-Amino-1-phenylpropan-1-ol hydrochlorideHCID 14797Potassium HydroxideHCID 47371094,6-dichloro-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine

Produkt 1

HCID 53841157alpha-[1-[(1-phenyl-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino]ethyl]benzenemethanolAusbeute 90 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702
Ethanol
Lösungsmittel
HCID 962WaterLösungsmittel

Versuchsvorschrift

390 mg of 1-phenyl-4,6-dichloropyrazolo[3,4-d]pyrimidine was suspended in 15 ml 95% ethanol. 828 mg norephedrine HCl was dissolved in 100 ml H2O, made basic with 10% KOH, and the free base extracted with 100 ml ether. The organic was dried over MgSO4, filtered, and concentrated to yield an oil which was added to the stirred reaction. After 4 hours the solution became clear and the solvent was removed under vacuum. The crude oil was then purified by radial chromatography (5-10-20% isopropyl alcohol/hexane, 4 mm plate) to yield 535 mg of [R-(S*,R*)]-α-[1-[(1-phenyl-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino]ethyl]benzenemethanol (90%).

Aufarbeitung

  1. extractionthe free base extracted with 100 ml ether
  2. dry with materialThe organic was dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customto yield an oil which
  6. additionwas added to the stirred reaction
  7. customthe solvent was removed under vacuum
  8. customThe crude oil was then purified by radial chromatography (5-10-20% isopropyl alcohol/hexane, 4 mm plate)

Quellen und Nachweise

ORD-Eintrag
ord-b820ddb898df434692f7f21e7a3d8bbf
Quelldatensatz
uspto-grants-1994_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05329007

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