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Trifluoroacetic acid → 1-(Piperidine-3-carbonyl)piperidine-2-carboxylic acid [4-phenyl-1-(3-phenyl-propyl)-butyl]-amide

HRID 1454170
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1454170
[C:1]1([CH2:7][CH2:8][CH2:9][CH:10]([NH:20][C:21]([CH:23]2[CH2:28][CH2:27][CH2:26][CH2:25][N:24]2[C:29]([CH:31]2[CH2:36][CH2:35][CH2:34][N:33](C(OC(C)(C)C)=O)[CH2:32]2)=[O:30])=[O:22])[CH2:11][CH2:12][CH2:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.FC(F)(F)C(O)=O>C(Cl)Cl>[C:1]1([CH2:7][CH2:8][CH2:9][CH:10]([NH:20][C:21]([CH:23]2[CH2:28][CH2:27][CH2:26][CH2:25][N:24]2[C:29]([CH:31]2[CH2:36][CH2:35][CH2:34][NH:33][CH2:32]2)=[O:30])=[O:22])[CH2:11][CH2:12][CH2:13][C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 187275001-(1-Tert-butoxycarbonylpiperidine-3-carbonyl)-piperidine-2-carboxylic acid [4-phenyl-1-(3-phenyl-propyl)-butyl]-amide

Produkt 1

HCID 187274901-(Piperidine-3-carbonyl)piperidine-2-carboxylic acid [4-phenyl-1-(3-phenyl-propyl)-butyl]-amideAusbeute 97,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

1-(1-tert-butoxycarbonylpiperidine-3-carbonyl)-piperidine-2-carboxylic acid [4-phenyl-1-(3-phenyl-propyl)-butyl]-amide (81) (1.35 g; 2.29 mmol) is dissolved in methylene chloride (40 mL) at ambient temperature. Trifluoroacetic acid (20 mL) is added in a slow stream, and the solution is stirred for 4 hours at ambient temperature. The solution is concentrated in vacuo at 40° C. The residue is dissolved in methylene chloride (200 mL) and poured onto saturated sodium bicarbonate solution. The pH is adjusted to 9 with saturated potassium carbonate solution. The mixture is shaken the layers separated. The water layer is extracted with methylene chloride (3×50 mL). The combined organic extracts are washed with water, dried over MgSO4, filtered, and concentrated in vacuo affording the desired product (1.09 g) as an oil.

Aufarbeitung

  1. concentrationThe solution is concentrated in vacuo at 40° C
  2. dissolutionThe residue is dissolved in methylene chloride (200 mL)
  3. additionpoured onto saturated sodium bicarbonate solution
  4. stirringThe mixture is shaken the layers
  5. customseparated
  6. extractionThe water layer is extracted with methylene chloride (3×50 mL)
  7. washThe combined organic extracts are washed with water
  8. dry with materialdried over MgSO4
  9. filtrationfiltered
  10. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-a475ee2fd91d40fa93bfe9530f0e3a54
Quelldatensatz
uspto-grants-2009_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07476680B2

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