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Acetic Acid → 3-Amino-4-{(3S)-3-[(tert-butoxycarbonyl)amino]piperidin-1-yl}-6,7-dihydro-5H-cyclopenta[b]pyridin-7-yl acetate

HRID 1499450
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1499450
[C:1]([O:4][CH:5]1[C:9]2=[N:10][CH:11]=[C:12]([N+:28]([O-])=O)[C:13]([N:14]3[CH2:19][CH2:18][CH2:17][C@H:16]([NH:20][C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:15]3)=[C:8]2[CH2:7][CH2:6]1)(=[O:3])[CH3:2].CC(O)=O.O>CCOC(C)=O.[Fe]>[C:1]([O:4][CH:5]1[C:9]2=[N:10][CH:11]=[C:12]([NH2:28])[C:13]([N:14]3[CH2:19][CH2:18][CH2:17][C@H:16]([NH:20][C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:15]3)=[C:8]2[CH2:7][CH2:6]1)(=[O:3])[CH3:2]
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Komponenten

6

Edukt 3

HCID 176Acetic AcidHCID 962WaterHCID 867266934-{(3S)-3-[(tert-Butoxycarbonyl)amino]piperidin-1-yl}-3-nitro-6,7-dihydro-5H-cyclopenta[b]pyridin-7-yl acetate

Produkt 1

HCID 867266943-Amino-4-{(3S)-3-[(tert-butoxycarbonyl)amino]piperidin-1-yl}-6,7-dihydro-5H-cyclopenta[b]pyridin-7-yl acetateAusbeute 112,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23925
Iron
Katalysator
HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

A mixture of 4-{(3S)-3-[(tert-butoxycarbonyl)amino]piperidin-1-yl}-3-nitro-6,7-dihydro-5H-cyclopenta[b]pyridin-7-yl acetate (64 mg, 0.15 mmol), AcOH (0.90 mL), water (0.10 mL) and iron powder (149 mg, 2.66 mmol) was stirred at room temperature for 20 min. The mixture was diluted with EtOAc and filtered through a short silica gel plug. The filtrate was concentrated under reduced pressure, diluted with EtOAc and washed with aq. Na2CO3. The organic layer was dried, filtered and concentrated under reduced pressure to give the sub-title compound (66 mg) as a yellowish solid, which was used without further purification. LCMS calc. for C20H31N4O4 (M+H)+: m/z=391.2. Found: 391.1.

Aufarbeitung

  1. filtrationfiltered through a short silica gel plug
  2. concentrationThe filtrate was concentrated under reduced pressure
  3. additiondiluted with EtOAc
  4. washwashed with aq. Na2CO3
  5. customThe organic layer was dried
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-3959d7fe20114cdebca0cff58a12351d
Quelldatensatz
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09200004B2

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