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Tert-Butylamine → Tert-butyl-2-[4-(tert-butylcarbamoyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate

HRID 1777300
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1777300
[C:1]([O:5][C:6]([N:8]1[CH2:24][CH2:23][C:10]2([CH2:13][CH:12]([N:14]3[CH2:19][CH2:18][CH:17]([C:20](O)=[O:21])[CH2:16][CH2:15]3)[CH2:11]2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[C:25]([NH2:29])([CH3:28])([CH3:27])[CH3:26].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:24][CH2:23][C:10]2([CH2:13][CH:12]([N:14]3[CH2:15][CH2:16][CH:17]([C:20](=[O:21])[NH:29][C:25]([CH3:28])([CH3:27])[CH3:26])[CH2:18][CH2:19]3)[CH2:11]2)[CH2:9]1)=[O:7])([CH3:2])([CH3:4])[CH3:3]
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Komponenten

6

Edukt 4

HCID 6385Tert-ButylamineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 1183062081-[6-(Tert-butoxycarbonyl)-6-azaspiro[3.4]oct-2-yl]piperidine-4-carboxylic acid

Produkt 1

HCID 90089432
Tert-butyl-2-[4-(tert-butylcarbamoyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate
Ausbeute 60,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

1-[6-(tert-Butoxycarbonyl)-6-azaspiro[3.4]oct-2-yl]piperidine-4-carboxylic acid was dissolved in DMF (2 mL) and t-butylamine (0.087 g, 1.20 mmol), HATU (0.227 g, 0.60 mmol) and DIPEA (0.193 g, 1.50 mmol) were added. The reaction mixture was stirred at rt overnight under nitrogen. The solvents were removed in vacuo, and the residue was partitioned between DCM and sat. NaHCO3 sol., organic layer washed with sat. NaCl sol. and dried over MgSO4. The solvents were removed in vacuo, and the residue was purified by column chromatography (normal phase, [Biotage SNAP cartridge KP-sil 10 g, 40-63 μm, 60 A, 12 mL per min, gradient 0% to 10% MeOH in DCM]) to give tert-butyl-2-[4-(tert-butylcarbamoyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate (0.071 g, 60.5%) as a yellow oil.

Aufarbeitung

  1. customThe solvents were removed in vacuo
  2. customthe residue was partitioned between DCM and sat. NaHCO3 sol., organic layer
  3. washwashed with sat. NaCl sol.
  4. dry with materialdried over MgSO4
  5. customThe solvents were removed in vacuo
  6. customthe residue was purified by column chromatography (normal phase, [Biotage SNAP cartridge KP-sil 10 g, 40-63 μm, 60 A, 12 mL per min, gradient 0% to 10% MeOH in DCM])

Quellen und Nachweise

ORD-Eintrag
ord-37ebfde555b740fcb7112d61b9a0f5c5
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09266857B2

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