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Diisopropylethylamine → HCID 86727074, Verbindung

HRID 2175855
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2175855
Cl[CH2:2][C:3]([C:5]1[C:6]([CH3:13])=[C:7]([CH:10]=[CH:11][CH:12]=1)[C:8]#[N:9])=[O:4].[C:14]([N:21]1[CH2:26][CH2:25][NH:24][C@@H:23]([CH2:27][OH:28])[CH2:22]1)([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15].CCN(C(C)C)C(C)C>C1COCC1>[C:8]([C:7]1[C:6]([CH3:13])=[C:5]([C:3](=[O:4])[CH2:2][N:24]2[CH2:25][CH2:26][N:21]([C:14]([O:16][C:17]([CH3:18])([CH3:19])[CH3:20])=[O:15])[CH2:22][C@@H:23]2[CH2:27][OH:28])[CH:12]=[CH:11][CH:10]=1)#[N:9]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 81531DiisopropylethylamineHCID 24820286tert-Butyl (3R)-3-(hydroxymethyl)piperazine-1-carboxylateHCID 86727073HCID 86727073, Verbindung

Produkt 1

HCID 86727074HCID 86727074, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of 3-(chloroacetyl)-2-methylbenzonitrile (1.7 g, 8.8 mmol) in THF (17.6 mL) was added (R)-4-N-boc-2-hydroxymethyl-piperazine (2.279 g, 10.54 mmol) and DIPEA (3.07 mL, 17.56 mmol) at rt. The reaction mixture was stirred at rt over the weekend. After concentration, the residue was partitioned between EtOAc and aqueous NaHCO3 (saturated). The aqueous layer was extracted with EtOAc (2×). The combined organic phase was washed with brine, dried over anhydrous MgSO4, and filtered. Concentration was followed by purification by prep TLC (silica gel; 10% MeOH/DCM) to give the title compound: LC/MS (M+1)+=374.14

Aufarbeitung

  1. concentrationAfter concentration
  2. customthe residue was partitioned between EtOAc and aqueous NaHCO3 (saturated)
  3. extractionThe aqueous layer was extracted with EtOAc (2×)
  4. washThe combined organic phase was washed with brine
  5. dry with materialdried over anhydrous MgSO4
  6. filtrationfiltered
  7. concentrationConcentration
  8. customwas followed by purification by prep TLC (silica gel; 10% MeOH/DCM)

Quellen und Nachweise

ORD-Eintrag
ord-81cefb05e672409e83f215a403f1f4c9
Quelldatensatz
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09062070B2

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