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Hydrochloric Acid → 1-(2-Chloro-phenyl)-3-[2-(2,6-dioxo-piperidin-3-yl)-1-oxo-2,3-dihydro-1h-isoindol-5-ylmethyl]-urea

HRID 63497
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 63497
Cl.[NH2:2][CH2:3][C:4]1[CH:5]=[C:6]2[C:10](=[CH:11][CH:12]=1)[C:9](=[O:13])[N:8]([CH:14]1[CH2:19][CH2:18][C:17](=[O:20])[NH:16][C:15]1=[O:21])[CH2:7]2.[Cl:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=1[N:29]=[C:30]=[O:31].C(N(CC)CC)C.Cl>CN(C)C=O>[Cl:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=1[NH:29][C:30]([NH:2][CH2:3][C:4]1[CH:5]=[C:6]2[C:10](=[CH:11][CH:12]=1)[C:9](=[O:13])[N:8]([CH:14]1[CH2:19][CH2:18][C:17](=[O:20])[NH:16][C:15]1=[O:21])[CH2:7]2)=[O:31]
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Komponenten

6

Edukt 4

HCID 313Hydrochloric AcidHCID 8471TriethylamineHCID 76833Chlorophenyl isocyanateHCID 665895253-(5-(aminomethyl)-1-oxo-2,3-dihydro-1H-isoindol-2-yl)piperidine-2,6-dione hydrochloride

Produkt 1

HCID 445388271-(2-Chloro-phenyl)-3-[2-(2,6-dioxo-piperidin-3-yl)-1-oxo-2,3-dihydro-1h-isoindol-5-ylmethyl]-ureaAusbeute 97 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a stirred mixture of 3-(5-aminomethyl-1-oxo-1,3-dihydro-isoindol-2-yl)-piperidine-2,6-dione hydrochloride (0.50 g, 1.40 mmol) and 2-chlorophenylisocyanate (0.16 mL, 1.40 mmol) in N,N-dimethylformamide (10 mL), was added triethylamine (0.38 mL, 2.7 mmol) at room temperature under nitrogen. After 2 h, 1 N aq. HCl (40 mL) was added and the solids were isolated by filtration and washed with water (20 mL). The crude product was triturated in EtOAc (50 mL) for 0.5 h. The product was isolated by filtration and dried in vacuo to give 1-(2-chloro-phenyl)-3-[2-(2,6-dioxo-piperidin-3-yl)-1-oxo-2,3-dihydro-1H-isoindol-5-ylmethyl]-urea as a white solid (0.56 g, 97% yield): HPLC: Waters Symmetry C18, 5 μm, 3.9×150 mm, 1 mL/min, 240 nm, 30/70 CH3CN/0.1% H3PO4, 6.35 min (98.37%); mp: 235-237° C.; 1H NMR (DMSO-d6) δ 1.77-2.14 (m, 1H, CHH), 2.23-2.47 (m, 1H, CHH), 2.60 (d, J=17.2 Hz, 1H, CHH), 2.77-3.04 (m, 1H, CHH), 4.32 (d, J=17.4 Hz, 1H, CHH), 4.39-4.61 (m, 3H, CHH, CH2), 5.11 (dd, J=4.9, 13.2 Hz, 1H, CH), 6.88-7.04 (m, 1H, Ar), 7.15-7.32 (m, 1H, Ar), 7.34-7.50 (m, 2H, Ar), 7.54 (s, 1H, NH), 7.58 (t, J=5.8 Hz, 1H, NH), 7.71 (d, J=7.7 Hz, 1H, Ar), 8.17 (d, J=6.0 Hz, 2H, Ar), 10.98 (s, 1H, NH); 13C NMR (DMSO-d6) δ 22.50, 31.21, 42.83, 47.14, 51.59, 120.86, 121.28, 122.01, 122.61, 123.03, 127.00, 127.45, 129.08, 130.44, 136.57, 142.48, 144.30, 154.83, 167.92, 171.00, 172.85; LCMS: MH=427/429; Anal Calcd for C21H19N4O4Cl: C, 59.09; H, 4.49; N, 13.13; Cl, 8.31. Found: C, 58.86; H, 4.26; N, 12.88; Cl, 8.32.

Aufarbeitung

  1. customthe solids were isolated by filtration
  2. washwashed with water (20 mL)
  3. customThe crude product was triturated in EtOAc (50 mL) for 0.5 h
  4. customThe product was isolated by filtration
  5. customdried in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-c96a068339b54794b9cc46cfa5cac219
Quelldatensatz
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09447070B2

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