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Dicyclohexylcarbodiimide → N-[(5-Chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetyl]-methanesulfonamide

HRID 11679
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 11679
[Cl:1][C:2]1[CH:3]=[C:4]([CH2:28][C:29]([OH:31])=O)[C:5]([O:8][CH2:9][C:10]([N:12]2[CH2:17][C@H:16]([CH3:18])[N:15]([CH2:19][C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=3)[CH2:14][C@H:13]2[CH3:27])=[O:11])=[N:6][CH:7]=1.C1(N=C=NC2CCCCC2)CCCCC1.[CH3:47][S:48]([NH2:51])(=[O:50])=[O:49]>ClCCl.CN(C)C1C=CN=CC=1>[Cl:1][C:2]1[CH:3]=[C:4]([CH2:28][C:29]([NH:51][S:48]([CH3:47])(=[O:50])=[O:49])=[O:31])[C:5]([O:8][CH2:9][C:10]([N:12]2[CH2:17][C@H:16]([CH3:18])[N:15]([CH2:19][C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=3)[CH2:14][C@H:13]2[CH3:27])=[O:11])=[N:6][CH:7]=1
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Komponenten

6

Edukt 3

HCID 10868DicyclohexylcarbodiimideHCID 72879MethanesulfonamideHCID 69655717(5-chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetic acid

Produkt 1

HCID 69655650N-[(5-Chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetyl]-methanesulfonamideAusbeute 70,2 %

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 142844-(Dimethylamino)pyridineKatalysatorHCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of N-[(5-chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetic acid (0.045 g, 0.10 mmol) in dichloromethane (2 mL) was added 4-dimethylaminopyridine (0.018 g, 0.15 mmol), and 1,3-dicyclohexylcarbodiimide (0.023 g, 0.11 mmol). The resulting reaction mixture was stirred at ambient temperature for 20 minutes, and then treated with methanesulfonamide (0.011 g, 0.12 mmol). The reaction was stirred at ambient temperature for 18 hours, filtered through a pad of celite and the resulting filter cake was washed with dichloromethane. The combined organics were concentrated in vacuo and purified by silica gel chromatography followed by trituration with dichloromethane to give the title compound (0.037 g, LRMS: 525.3, 527.2).

Aufarbeitung

  1. customThe resulting reaction mixture
  2. stirringThe reaction was stirred at ambient temperature for 18 hours
  3. filtrationfiltered through a pad of celite
  4. filtrationthe resulting filter cake
  5. washwas washed with dichloromethane
  6. concentrationThe combined organics were concentrated in vacuo
  7. custompurified by silica gel chromatography

Quellen und Nachweise

ORD-Eintrag
ord-27cf31e96e1e4b4f9eac0feb16c2e817
Quelldatensatz
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07098212B2

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