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4-Ethylbenzoyl chloride → 4-Ethyl-N-[[2-[(3S)-3-methyl-2,6-dioxopiperidin-3-YL]-1,3-dioxoisoindolin-5-YL]methyl]benzamide

HRID 63410
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 63410
[CH2:1]([C:3]1[CH:11]=[CH:10][C:6]([C:7](Cl)=[O:8])=[CH:5][CH:4]=1)[CH3:2].Cl.[NH2:13][CH2:14][C:15]1[CH:16]=[C:17]2[C:21](=[CH:22][CH:23]=1)[C:20](=[O:24])[N:19]([C@@:25]1([CH3:33])[CH2:30][CH2:29][C:28](=[O:31])[NH:27][C:26]1=[O:32])[C:18]2=[O:34]>C(#N)C>[CH2:1]([C:3]1[CH:11]=[CH:10][C:6]([C:7]([NH:13][CH2:14][C:15]2[CH:16]=[C:17]3[C:21](=[CH:22][CH:23]=2)[C:20](=[O:24])[N:19]([C@@:25]2([CH3:33])[CH2:30][CH2:29][C:28](=[O:31])[NH:27][C:26]2=[O:32])[C:18]3=[O:34])=[O:8])=[CH:5][CH:4]=1)[CH3:2]
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Komponenten

4

Edukt 2

HCID 853684-Ethylbenzoyl chlorideHCID 670196915-aminomethyl-2-[(3S)-3-methyl-2,6-dioxo-piperidin-3-yl]-isoindole-1,3-dione hydrochloride

Produkt 1

HCID 247883104-Ethyl-N-[[2-[(3S)-3-methyl-2,6-dioxopiperidin-3-YL]-1,3-dioxoisoindolin-5-YL]methyl]benzamideAusbeute 76 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel2×

Versuchsvorschrift

TEA (0.44 g, 4.4 mmol) was added to a mixture of 4-ethylbenzoyl chloride (0.34 g, 2.0 mmol) and 5-aminomethyl-2-[(3S)-3-methyl-2,6-dioxo-piperidin-3-yl]-isoindole-1,3-dione hydrochloride (0.67 g, 2.0 mmol) in acetonitrile (20 mL). The mixture was stirred at room temperature for 2 hours, and was evaporated under vacuum. The residue was partitioned between water (100 mL) and ethyl acetate (100 mL), and the organic phase was evaporated. The residue was chromatographed on silica gel using ethyl acetate as the mobile phase, providing 0.65 g, in 76% yield. The product was obtained as a white solid; mp 160-162° C.; HPLC, Waters Symmetry C-18, 3.9×150 mm, 5 μm, 1 mL/min, 240 nm, 45/55 CH3CN/0.1% H3PO4, 4.20 (97.47%); 1H NMR (DMSO-d6) δ 1.19 (t, J=7.7 Hz, 3H), 1.89 (s, 3H), 2.02-2.08 (m, 1H), 2.54-2.62 (m, 2H), 2.65-2.78 (m, 3H), 4.61 (d, J=6.0 Hz, 2H), 7.32 (d, J=8.1 Hz, 2H), 7.76-7.84 (m, 5H), 9.14 (t, J=6.0 Hz, 1H), 11.01 (s, 1H); 13C NMR (DMSO-d6) δ 15.4, 21.1, 28.1, 28.6, 29.2, 42.6, 58.8, 121.6, 123.2, 127.4, 127.8, 129.6, 131.4, 131.5, 133.4, 147.6, 147.7, 166.4, 167.8, 167.9, 172.2, 172.3; Anal. Calcd for C24H23N3O5: C, 66.50; H, 5.35; N, 9.69. Found: C, 66.30; H, 5.26; N, 9.56.

Aufarbeitung

  1. customwas evaporated under vacuum
  2. customThe residue was partitioned between water (100 mL) and ethyl acetate (100 mL)
  3. customthe organic phase was evaporated
  4. customThe residue was chromatographed on silica gel
  5. customproviding 0.65 g
  6. customThe product was obtained as a white solid

Quellen und Nachweise

ORD-Eintrag
ord-789f6bf65453443cb1c0b667ddc694ae
Quelldatensatz
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09447070B2

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