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Cesium carbonate → tert-butyl 4-(3-{(3R)-3-[(1-{5-[4-(2-fluoroethoxy)phenyl]pyridin-3-yl}-3-methoxy-3-oxopropyl)carbamoyl]piperidin-1-yl}-3-oxopropyl)piperidine-1-carboxylate

HRID 526339
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 526339
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:9]=[C:10]([CH:14]([NH:20][C:21]([C@@H:23]3[CH2:28][CH2:27][CH2:26][N:25]([C:29](=[O:45])[CH2:30][CH2:31][CH:32]4[CH2:37][CH2:36][N:35]([C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH2:34][CH2:33]4)[CH2:24]3)=[O:22])[CH2:15][C:16]([O:18][CH3:19])=[O:17])[CH:11]=[N:12][CH:13]=2)=[CH:4][CH:3]=1.C(=O)([O-])[O-].[Cs+].[Cs+].I[CH2:53][CH2:54][F:55]>O1CCCC1.O>[F:55][CH2:54][CH2:53][O:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[CH:9]=[C:10]([CH:14]([NH:20][C:21]([C@@H:23]3[CH2:28][CH2:27][CH2:26][N:25]([C:29](=[O:45])[CH2:30][CH2:31][CH:32]4[CH2:33][CH2:34][N:35]([C:38]([O:40][C:41]([CH3:42])([CH3:44])[CH3:43])=[O:39])[CH2:36][CH2:37]4)[CH2:24]3)=[O:22])[CH2:15][C:16]([O:18][CH3:19])=[O:17])[CH:11]=[N:12][CH:13]=2)=[CH:6][CH:7]=1
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Komponenten

6

Edukt 3

HCID 10796Cesium carbonate2×HCID 69804Ethane, 1-fluoro-2-iodo-6×HCID 71259050tert-butyl 4-{3-[(3R)-3-({1-[5-(4-hydroxyphenyl)pyridin-3-yl]-3-m ethoxy-3-oxopropyl}carbamoyl)piperidin-1-yl]-3-oxopropyl}piperidine-1-carboxylate

Produkt 1

HCID 71609305tert-butyl 4-(3-{(3R)-3-[(1-{5-[4-(2-fluoroethoxy)phenyl]pyridin-3-yl}-3-methoxy-3-oxopropyl)carbamoyl]piperidin-1-yl}-3-oxopropyl)piperidine-1-carboxylate
Ausbeute 66,1 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel2×

Versuchsvorschrift

120 mg (0.19 mmol) tert-butyl 4-{3-[(3R)-3-({1-[5-(4-hydroxyphenyl)pyridin-3-yl]-3-methoxy-3-oxopropyl}carbamoyl)piperidin-1-yl]-3-oxopropyl}piperidine-1-carboxylate were dissolved in 2.11 ml tetrahydrofurane. 126 mg (0.39 mmol) cesium carbonate and 64 mg (0.37 mmol) 1-iodo-2-fluoroethane were added. The mixture was stirred at room temperature for 70 hours. 64 mg (0.37 mmol) 1-iodo-2-fluoroethane were added and the mixture stirred at room temperature for 48 hours. 64 mg (0.37 mmol) 1-iodo-2-fluoroethane were added and the mixture stirred at room temperature for 70 hours. 64 mg (0.37 mmol) 1-iodo-2-fluoroethane were added and the mixture stirred at room temperature for 24 hours. 64 mg (0.37 mmol) 1-iodo-2-fluoroethane, 2 ml tetrahydrofurane and 126 mg (0.39 mmol) cesium carbonate were added and the mixture stirred at room temperature for 24 hours. 64 mg (0.37 mmol) 1-iodo-2-fluoroethane were added and the mixture stirred at room temperature for 24 hours, diluted with water and extracted with ethyl acetate. The organic phase was dried over sodium sulfate and concentrated in vacuum. Chromatography over 10 g silica gel (dichloromethane/ethanol 100/0-90/10) gave 84 mg (62%) tert-butyl 4-(3-{(3R)-3-[(1-{5-[4-(2-fluoroethoxy)phenyl]pyridin-3-yl}-3-methoxy-3-oxopropyl)carbamoyl]piperidin-1-yl}-3-oxopropyl)piperidine-1-carboxylate.

Aufarbeitung

  1. stirringthe mixture stirred at room temperature for 48 hours
  2. stirringthe mixture stirred at room temperature for 70 hours
  3. stirringthe mixture stirred at room temperature for 24 hours
  4. stirringthe mixture stirred at room temperature for 24 hours
  5. stirringthe mixture stirred at room temperature for 24 hours
  6. extractionextracted with ethyl acetate
  7. dry with materialThe organic phase was dried over sodium sulfate
  8. concentrationconcentrated in vacuum

Quellen und Nachweise

ORD-Eintrag
ord-dd737fd63ea544e1bfc7fb57682ca20a
Quelldatensatz
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09345793B2

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