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Sodium Iodide → 6-[2-(3-chloro-4-methoxyphenyl)ethyl]-6-cyclopentyl-3-(imidazo[1,2-a]pyrimidin-2-ylmethyl)dihydro-2H-pyran-2,4(3H)-dione

HRID 1453217
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Reaktionsgleichung

Reaktionsgleichung von HRID 1453217
C(=O)([O-])[O-].[K+].[K+].[Cl:7][C:8]1[CH:9]=[C:10]([CH2:16][CH2:17][C:18]2([CH:26]3[CH2:30][CH2:29][CH2:28][CH2:27]3)[O:23][C:22](=[O:24])[CH2:21][C:20](=[O:25])[CH2:19]2)[CH:11]=[CH:12][C:13]=1[O:14][CH3:15].Cl[CH2:32][C:33]1[N:34]=[C:35]2[N:40]=[CH:39][CH:38]=[CH:37][N:36]2[CH:41]=1.[I-].[Na+]>CC(C)=O>[Cl:7][C:8]1[CH:9]=[C:10]([CH2:16][CH2:17][C:18]2([CH:26]3[CH2:30][CH2:29][CH2:28][CH2:27]3)[O:23][C:22](=[O:24])[CH:21]([CH2:32][C:33]3[N:34]=[C:35]4[N:40]=[CH:39][CH:38]=[CH:37][N:36]4[CH:41]=3)[C:20](=[O:25])[CH2:19]2)[CH:11]=[CH:12][C:13]=1[O:14][CH3:15]
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Komponenten

6

Edukt 4

HCID 5238Sodium IodideHCID 11430Potassium CarbonateHCID 14179082-(Chloromethyl)imidazo[1,2-a]pyrimidineHCID 160761096-(3-chloro-4-methoxyphenethyl)-6-cyclopentyl-dihydro-3H-pyran-2,4-dione

Produkt 1

HCID 575272716-[2-(3-chloro-4-methoxyphenyl)ethyl]-6-cyclopentyl-3-(imidazo[1,2-a]pyrimidin-2-ylmethyl)dihydro-2H-pyran-2,4(3H)-dione
Ausbeute 21,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 180AcetoneLösungsmittel

Versuchsvorschrift

Potassium carbonate (35.4 mg, 0.256 mmol) was added to a solution of 6-[2-(3-chloro-4-methoxyphenyl)ethyl]-6-cyclopentyldihydro-2H-pyran-2,4(3H)-dione (30 mg, 0.085 mmol), 2-(chloromethyl)imidazo[1,2-a]pyrimidine (17.2 mg, 0.103 mmol) and sodium iodide (5 crystals) in acetone (40 ml). The reaction mixture was stirred at reflux for 24 hrs, after which time the mixture was acidified to pH=3 and the product was extracted with ethyl acetate (3×25 ml). The combined organics were washed with brine (30 ml), dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated in vacuo and purified by prep HPLC to afford the title compound as a white solid (8.8 mg). 1H NMR (CDCl3): δ 1.40-1.88 (bm, 11H), 2.24 (m, 2H), 2.48-2.59 (bm, 3H), 3.79 (s, 3H), 4.03 (d, J=14.08 Hz, 1H), 4.18 (d, J=14.08 Hz, 1H), 6.94 (d, J=1.60 Hz, 2H), 7.03 (d, J=1.60 Hz, 2H), 8.08 (s, 1H), 8.82 (bs, 1H), 8.85 (bs, 1H). Exact Mass: Calcd, 481.97; Found, 481.18.

Aufarbeitung

  1. temperatureat reflux for 24 hrs
  2. extractionthe product was extracted with ethyl acetate (3×25 ml)
  3. washThe combined organics were washed with brine (30 ml)
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated in vacuo
  7. custompurified by prep HPLC

Quellen und Nachweise

ORD-Eintrag
ord-094bd833ebe64da3806a9ef62e3ede20
Quelldatensatz
uspto-grants-2009_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07473790B2

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