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Trifluoroacetic acid → N'-(1H-benzimidazol-2-ylmethyl)-N'-(5,6,7,8-tetrahydroquinolin-8-yl)butane-1,4-diamine

HRID 1624245
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1624245
C[Si](C)(C)CCOC[N:7]1[C:11]2[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=2[N:9]=[C:8]1[CH2:16][N:17]([CH:23]1[C:32]2[N:31]=[CH:30][CH:29]=[CH:28][C:27]=2[CH2:26][CH2:25][CH2:24]1)[CH2:18][CH2:19][CH2:20][CH2:21][NH2:22].FC(F)(F)C(O)=O>C(Cl)Cl>[NH:7]1[C:11]2[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=2[N:9]=[C:8]1[CH2:16][N:17]([CH:23]1[C:32]2[N:31]=[CH:30][CH:29]=[CH:28][C:27]=2[CH2:26][CH2:25][CH2:24]1)[CH2:18][CH2:19][CH2:20][CH2:21][NH2:22]
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Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 59694106N1-(1-(2-(trimethylsilyl)ethoxymethyl)-1H-Benzimidazol-2-ylmethyl)-N1-(5,6,7,8-tetrahydro-quinolin-8-yl)-butane-1,4-diamine

Produkt 1

HCID 10126019N'-(1H-benzimidazol-2-ylmethyl)-N'-(5,6,7,8-tetrahydroquinolin-8-yl)butane-1,4-diamineAusbeute 66,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of N1-(1-(2-(trimethylsilyl)ethoxymethyl)-1H-Benzimidazol-2-ylmethyl)-N1-(5,6,7,8-tetrahydro-quinolin-8-yl)-butane-1,4-diamine (73 mg, 0.16 mmol) in CH2Cl2 (2 mL) was added trifluoroacetic acid (4 mL) and the resultant solution was stirred at room temperature overnight then concentrated under reduced pressure. The residue was dissolved in CH2Cl2 (10 mL) and water (5 mL) and treated with NaOH (10 M, ˜2 mL) until the aqueous phase was basic (pH 14). The phases were separated and the aqueous phase was extracted with CH2Cl2 (3×10 mL). The combined organic extracts were dried (Na2SO4) and concentrated. Purification of the crude material by radial chromatography on silica gel (1 mm plate, 15:1:1 CH2Cl2—CH3OH—NH4OH) provided 37 mg of N1-(1H-Benzimidazol-2-ylmethyl)-N1-(5,6,7,8-tetrahydro-quinolin-8-yl)-butane-1,4-diamine as a white foam.

Aufarbeitung

  1. concentrationthen concentrated under reduced pressure
  2. dissolutionThe residue was dissolved in CH2Cl2 (10 mL)
  3. additionwater (5 mL) and treated with NaOH (10 M, ˜2 mL) until the aqueous phase
  4. customThe phases were separated
  5. extractionthe aqueous phase was extracted with CH2Cl2 (3×10 mL)
  6. dry with materialThe combined organic extracts were dried (Na2SO4)
  7. concentrationconcentrated
  8. customPurification of the crude material by radial chromatography on silica gel (1 mm plate, 15:1:1 CH2Cl2—CH3OH—NH4OH)

Quellen und Nachweise

ORD-Eintrag
ord-97a56aaae74c425095d2980c50e3ef3e
Quelldatensatz
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08778967B2

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