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2-(Dimethylamino)ethanol → 2-(3-{6-[2-(2,4-Dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionic acid 2-dimethylamino-ethyl ester

HRID 216181
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 216181
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH2:9][CH2:10][NH:11][C:12]1[N:17]=[C:16]([O:18][CH3:19])[N:15]=[C:14]([C:20]2[CH:21]=[C:22]([C:26]([CH3:31])([CH3:30])[C:27]([OH:29])=[O:28])[CH:23]=[CH:24][CH:25]=2)[CH:13]=1.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH3:56][N:57]([CH3:61])[CH2:58][CH2:59]O>C(Cl)Cl>[CH3:56][N:57]([CH3:61])[CH2:58][CH2:59][O:28][C:27](=[O:29])[C:26]([C:22]1[CH:23]=[CH:24][CH:25]=[C:20]([C:14]2[CH:13]=[C:12]([NH:11][CH2:10][CH2:9][C:3]3[CH:4]=[CH:5][C:6]([Cl:8])=[CH:7][C:2]=3[Cl:1])[N:17]=[C:16]([O:18][CH3:19])[N:15]=2)[CH:21]=1)([CH3:31])[CH3:30]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 79022-(Dimethylamino)ethanolHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 11669780Pgd2-IN-1

Produkt 1

HCID 576360852-(3-{6-[2-(2,4-Dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionic acid 2-dimethylamino-ethyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel

Versuchsvorschrift

A solution of 2-(3-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionic acid [100 mg, 0.218 mmol, Example 49(b)] in DCM (2 mL) is treated with HBTU (515.2 mg, 1.35 mmol). The mixture is stirred at room temperature for 2 hours and treated with 2-dimethylamino-ethanol (0.154 mL, 1.53 mmol). After stirring overnight, the mixture is quenched with water and extracted with ethyl acetate. The combined organic layers are washed with brine, dried over sodium sulfate and concentrated. The residue is subjected to silica gel chromatography eluting with 0 to 7.5% MeOH in DCM to obtain 2-(3-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionic acid 2-dimethylamino-ethyl ester as an oil which is treated with 1M hydrogen chloride in ether affording 2-(3-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionic acid 2-dimethylamino-ethyl ester dihydrochloride [88 mg, 67%, Example 51] as a solid. LC/MS: RT=2.1 minutes, MS: 531 (M+H). 1H NMR [300 MHz, (CD3)2SO]: □10.16 (1H, br s), 7.3-7.82 (7H, m), 6.62 (1H, s), 4.37 (2H, m), 3.96 (3H, s), 3.68 (2H, m), 3.32 (2H, m), 3 (2H, m), 2.63 (6H, s), 1.6 (6H, s).

Aufarbeitung

  1. stirringAfter stirring overnight
  2. customthe mixture is quenched with water
  3. extractionextracted with ethyl acetate
  4. washThe combined organic layers are washed with brine
  5. dry with materialdried over sodium sulfate
  6. concentrationconcentrated
  7. washeluting with 0 to 7.5% MeOH in DCM

Quellen und Nachweise

ORD-Eintrag
ord-894afa6ce0294c7b9297e748fe08addb
Quelldatensatz
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08193183B2

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