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Potassium Carbonate → 4-amino-5-chloro-N-(1-(5-(2,3-dihydro-1,3-dioxo-1H-isoindol-2-yl)pentyl)piperidin-4-ylmethyl)-2-methoxybenzamide

HRID 344381
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 344381
Cl.[NH2:2][C:3]1[C:18]([Cl:19])=[CH:17][C:6]([C:7]([NH:9][CH2:10][CH:11]2[CH2:16][CH2:15][NH:14][CH2:13][CH2:12]2)=[O:8])=[C:5]([O:20][CH3:21])[CH:4]=1.[C:22](=[O:25])([O-])[O-].[K+].[K+].BrCCCCC[C:34]1[CH:44]=[CH:43][CH:42]=[C:36]2[C:37]([NH:39][C:40](=[O:41])[C:35]=12)=O>CN(C)C=O>[NH2:2][C:3]1[C:18]([Cl:19])=[CH:17][C:6]([C:7]([NH:9][CH2:10][CH:11]2[CH2:12][CH2:13][N:14]([CH2:18][CH2:3][CH2:4][CH2:5][CH2:37][N:39]3[C:40](=[O:41])[C:35]4[C:34](=[CH:44][CH:43]=[CH:42][CH:36]=4)[C:22]3=[O:25])[CH2:15][CH2:16]2)=[O:8])=[C:5]([O:20][CH3:21])[CH:4]=1
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Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 223521765-BromopentylphthalimideHCID 667809414-Amino-5-chloro-2-methoxy-N-(piperidin-4-ylmethyl)benzamide hydrochloride

Produkt 1

HCID 543795694-amino-5-chloro-N-(1-(5-(2,3-dihydro-1,3-dioxo-1H-isoindol-2-yl)pentyl)piperidin-4-ylmethyl)-2-methoxybenzamideAusbeute 113,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

4-Amino-5-chloro-2-methoxy-N-(piperidin-4-ylmethyl)benzamide hydrochloride (23.0 g) was dissolved in dimethylformamide (250 ml). Potassium carbonate (28.5 g) and 5-bromopentylphthalimide (20.4 g) were added, and the mixture was stirred at 50° C. for 8 hr. The reaction mixture was concentrated under reduced pressure and the residue was extracted with ethyl acetate. The extract was dried over magnesium sulfate and concentrated under reduced pressure. The obtained residue was purified by silica gel chromatography to give 20.0 g of 4-amino-5-chloro-N-(1-(5-(2,3-dihydro-1,3-dioxo-1H-isoindol-2-yl)pentyl)piperidin-4-ylmethyl)-2-methoxybenzamide.

Aufarbeitung

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. extractionthe residue was extracted with ethyl acetate
  3. dry with materialThe extract was dried over magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe obtained residue was purified by silica gel chromatography

Quellen und Nachweise

ORD-Eintrag
ord-dfee23cb27344e6f8d8bc7c79bc37237
Quelldatensatz
uspto-grants-1999_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05864039

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