Dimethylformamide → HCID 86671822, Verbindung
Reaktionsgleichung
C(C1CCC1(N)C(O)=O)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=O.CN([C:19]([O:23][N:24]1N=NC2C=CC=N[C:25]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.Cl.CN[O:43][CH3:44].[CH:45](N(C(C)C)CC)([CH3:47])[CH3:46].C[N:55]([CH:57]=[O:58])[CH3:56]>CCOC(C)=O.O>[C:4]([O:3][C:57](=[O:58])[NH:55][C:56]1([C:44](=[O:43])[N:24]([O:23][CH3:19])[CH3:25])[CH2:47][CH2:45][CH2:46]1)([CH3:5])([CH3:6])[CH3:7]Komponenten
8
Edukt 5
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 2
Versuchsvorschrift
Boc-1-aminocyclobutane-1-carboxylic acid (10.0 g, 45.1 mmol), HATU (20.5 g, 54.1 mmol) and N,O-dimethylhydroxylamine hydrochloride (4.93 g, 49.6 mmol) were combined in DMF (100 mL). To this solution was added diisopropylethylamine (31.4 mL, 180.3 mmol). The reaction was stirred for 2 h, diluted with EtOAc and poured into H2O. The aqueous phase was separated and extracted two more times with EtOAc. The organic layers were combined and washed with brine, dried (Na2SO4), decanted and concentrated in vacuo. The resultant solid was purified via normal phase flash chromatography on silica gel (10-50% EtOAc-heptane) to afford [1-(methoxy-methyl-carbamoyl)-cyclobutyl]-carbamic acid tert-butyl ester as a white solid (11.5 g, 99%).
Aufarbeitung
- customThe aqueous phase was separated
- extractionextracted two more times with EtOAc
- washwashed with brine
- dry with materialdried (Na2SO4)
- customdecanted
- concentrationconcentrated in vacuo
- customThe resultant solid was purified via normal phase flash chromatography on silica gel (10-50% EtOAc-heptane)
Quellen und Nachweise
- ORD-Eintrag
- ord-4fb7dd28c12f48f2871c4ddbd9efd407
- Quelldatensatz
- uspto-grants-2013_11
- Patentnummer
- US08575360B2
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