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Triethylamine → Methyl 4-(4-(3-(6-methylpyridin-3-yl)ureido)-2,3-dihydro-1H-inden-1-yl)piperazine-1-carboxylate

HRID 2237421
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2237421
[NH2:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH2:4][CH2:5][CH:6]2[N:11]1[CH2:16][CH2:15][N:14]([C:17]([O:19][CH3:20])=[O:18])[CH2:13][CH2:12]1.C(N(CC)CC)C.[CH3:28][C:29]1[CH:34]=[CH:33][C:32]([N:35]=[C:36]=[O:37])=[CH:31][N:30]=1>C(Cl)Cl>[CH3:28][C:29]1[N:30]=[CH:31][C:32]([NH:35][C:36](=[O:37])[NH:1][C:2]2[CH:10]=[CH:9][CH:8]=[C:7]3[C:3]=2[CH2:4][CH2:5][CH:6]3[N:11]2[CH2:12][CH2:13][N:14]([C:17]([O:19][CH3:20])=[O:18])[CH2:15][CH2:16]2)=[CH:33][CH:34]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 73305055-Isocyanato-2-methylpyridineHCID 59302728methyl 4-(4-amino-2,3-dihydro-1H-inden-1-yl)piperazine-1-carboxylate

Produkt 1

HCID 11560576Methyl 4-(4-(3-(6-methylpyridin-3-yl)ureido)-2,3-dihydro-1H-inden-1-yl)piperazine-1-carboxylateAusbeute 51,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel
3×

Versuchsvorschrift

To a room temperature solution of Methyl 4-(4-amino-2,3-dihydro-1H-inden-1-yl)piperazine-1-carboxylate (175 mg, 0.635 mmol, 1.0 equiv) and triethylamine (90 μL, 0.635 mmol, 1.0 equiv) in dry DCM (1.7 mL) was added freshly filtered 2-methyl-5-isocyanatopyridine (94 mg, 0.699 mmol, 1.1 equiv) in dry DCM (1.7 mL) dropwise via cannula. After 1 h, the reaction was diluted with DCM and washed with water and with brine. The resulting solution was dried over sodium sulfate, filtered, and concentrated in vacuo. The solid was dissolved in a minimal volume of DMF and water was added to precipitate the product. The resulting solid was filtered, washed three times with water and twice with hexane to provide the title compound as a light brown solid (133 mg, 51%). LCMS [M+H]+=410.1.

Aufarbeitung

  1. washwashed with water and with brine
  2. dry with materialThe resulting solution was dried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. dissolutionThe solid was dissolved in a minimal volume of DMF and water
  6. additionwas added
  7. customto precipitate the product
  8. filtrationThe resulting solid was filtered
  9. washwashed three times with water

Quellen und Nachweise

ORD-Eintrag
ord-42667a252ad34644a245b419566f74e2
Quelldatensatz
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07718657B2

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