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1-Hydroxybenzotriazole → N-[2-(2,6-dioxo-piperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-ylmethyl]-2-(3-trifluoromethoxy-phenyl)-acetamide

HRID 448481
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 448481
Cl.[NH2:2][CH2:3][C:4]1[CH:12]=[CH:11][CH:10]=[C:9]2[C:5]=1[C:6](=[O:22])[N:7]([CH:14]1[CH2:19][CH2:18][C:17](=[O:20])[NH:16][C:15]1=[O:21])[C:8]2=[O:13].N12CCCN=C1CCCCC2.ON1C2C=CC=CC=2N=N1.[F:44][C:45]([F:58])([F:57])[O:46][C:47]1[CH:48]=[C:49]([CH2:53][C:54](O)=[O:55])[CH:50]=[CH:51][CH:52]=1.Cl.CN(C)CCCN=C=NCC>C(#N)C>[O:21]=[C:15]1[CH:14]([N:7]2[C:6](=[O:22])[C:5]3[C:9](=[CH:10][CH:11]=[CH:12][C:4]=3[CH2:3][NH:2][C:54](=[O:55])[CH2:53][C:49]3[CH:50]=[CH:51][CH:52]=[C:47]([O:46][C:45]([F:57])([F:44])[F:58])[CH:48]=3)[C:8]2=[O:13])[CH2:19][CH2:18][C:17](=[O:20])[NH:16]1
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Komponenten

7

Edukt 5

HCID 757711-HydroxybenzotriazoleHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27773163-(Trifluoromethoxy)phenylacetic AcidHCID 219885254-(aminomethyl)-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione hydrochloride

Produkt 1

HCID 58827237
N-[2-(2,6-dioxo-piperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-ylmethyl]-2-(3-trifluoromethoxy-phenyl)-acetamide
Ausbeute 74,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

To a stirred suspension of 4-aminomethyl-2-(2,6-dioxo-piperidin-3-yl)-isoindole-1,3-dione hydrochloride (0.7 g, 2.2 mmol) in acetonitrile (60 mL), was added 1,8-diazabicyclo[5,4,0]undec-7-ene (0.8 g, 5.4 mmol). After stirring for 10 minutes, 1-hydroxybenzotriazole (0.4 g, 2.6 mmol) and 3-trifluoromethoxyphenylacetic acid (0.5 g, 2.4 mmol) were added, followed by 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (0.6 g, 3.2 mmol). The mixture was stirred at room temperature overnight then was concentrated in vacuo. The residue was dissolved in CH2Cl2 (80 mL) and washed with water (40 mL), 1NHCl (2×30 mL), water (40 mL), and brine (40 mL), and dried over MgSO4. Solvent was removed in vacuo, and the residue was purified by ISCO silica gel flash chromatography (Eluent: EtOAc: CH2Cl2 3:7) to afford N-[2-(2,6-dioxo-piperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-ylmethyl]-2-(3-trifluoromethoxy-phenyl)-acetamide (0.8 g, 74%) as a white solid: mp 178-180° C.; HPLC: Waters Symmetry C-18, 3.9×150 mm, 5 micro, 1 mL/min, 240 nm, 40/60 (CH3CN/H2O): tR=6.32 min. (97%); 1H NMR (DMSO-d6) δ 2.02-2.09 (m, 1H), 2.52-2.63 (m, 2H), 2.84-2.96 (m, 1H), 3.83 (s, 2H), 4.72 (d, J=5.8 Hz, 2H), 5.12-5.18 (dd, J=5.3 and 12.7 Hz, 1H), 7.23-8.10 (m, 7H), 8.74 (t, J=5.9 Hz, 1H), 11.14 (s, 1H); 13C NMR (DMSO-d6) δ 21.94, 30.90, 37.84, 48.83, 118.96, 121.43, 121.93, 127.15, 128.29, 130.07, 131.53, 133.15, 134.61, 138.80, 139.00, 148.24, 166.88, 167.41, 169.77, 169.96, 172.72; Anal. Calcd. for C23H18N3O6F3: C, 56.45; H, 3.71; N, 8.59; F, 11.65. Found: C, 56.44; H, 3.44; N, 8.46; F, 11.89.

Aufarbeitung

  1. stirringThe mixture was stirred at room temperature overnight
  2. concentrationthen was concentrated in vacuo
  3. dissolutionThe residue was dissolved in CH2Cl2 (80 mL)
  4. washwashed with water (40 mL), 1NHCl (2×30 mL), water (40 mL), and brine (40 mL)
  5. dry with materialdried over MgSO4
  6. customSolvent was removed in vacuo
  7. customthe residue was purified by ISCO silica gel flash chromatography (Eluent: EtOAc: CH2Cl2 3:7)

Quellen und Nachweise

ORD-Eintrag
ord-16c52e9ab48140afa364508317c43271
Quelldatensatz
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08481568B2

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