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Diisopropylethylamine → HCID 178483293, Verbindung

HRID 1480435
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1480435
[NH:1]1[CH:5]=[C:4]([C:6]([OH:8])=O)[N:3]=[N:2]1.[CH3:9][NH:10][CH2:11][CH2:12][CH:13]1[CH2:18][CH2:17][N:16]([C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH2:15][CH2:14]1.CCN(C(C)C)C(C)C.C(P1(=O)OP(CCC)(=O)OP(CCC)(=O)O1)CC>CN(C=O)C.CCOC(C)=O>[CH3:9][N:10]([CH2:11][CH2:12][CH:13]1[CH2:18][CH2:17][N:16]([C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH2:15][CH2:14]1)[C:6]([C:4]1[N:3]=[N:2][NH:1][CH:5]=1)=[O:8]
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Komponenten

7

Edukt 4

HCID 81531DiisopropylethylamineHCID 111923Propylphosphonic anhydrideHCID 1401201,2,3-Triazole-4-carboxylic acidHCID 46835695tert-Butyl 4-[2-(methylamino)ethyl]piperidine-1-carboxylate

Produkt 1

HCID 178483293HCID 178483293, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228
Dimethylformamide
Lösungsmittel
2×
HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To 1H-1,2,3-triazole-4-carboxylic acid (150 mg, 1.327 mmol) and tert-butyl 4-(2-(methylamino)ethyl)piperidine-1-carboxylate (step 1) (322 mg, 1.327 mmol) in DMF (6 ml) was added DIPEA (0.695 ml, 3.98 mmol) and 50% T3P® in DMF (1.549 ml, 2.65 mmol). The resulting orange solution was stirred for 4 hrs. The mixture was diluted with EtOAc (200 ml) and washed with 1M HCl (2×50 ml). The organics were dried (MgSO4) and concentrated under reduced pressure. The crude residue in was dissolved in DCM and applied to a 12 g silica cartridge eluting with 0-100% EtOAc/iso-hexane. The product fractions were concentrated to give tert-butyl 4-(2-(N-methyl-1H-1,2,3-triazole-4-carboxamido)ethyl)piperidine-1-carboxylate as a gum.

Aufarbeitung

  1. washwashed with 1M HCl (2×50 ml)
  2. dry with materialThe organics were dried (MgSO4)
  3. concentrationconcentrated under reduced pressure
  4. dissolutionThe crude residue in was dissolved in DCM
  5. washeluting with 0-100% EtOAc/iso-hexane
  6. concentrationThe product fractions were concentrated

Quellen und Nachweise

ORD-Eintrag
ord-f2f30325305343fab6cb62e3fd03c644
Quelldatensatz
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09409895B2

Notizen zur Reaktion

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