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Triethylamine → 5-[4-(3-chlorophenyl)-7-ethyl-2-phenylpyrrolo[1,2-b]pyridazin-3-yl]-N,N-dimethyl-1-pentanamine

HRID 860466
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 860466
[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[C:9]3[N:10]([C:26]([CH2:29][CH3:30])=[CH:27][CH:28]=3)[N:11]=[C:12]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[C:13]=2[CH2:14][CH2:15][CH2:16][CH2:17][CH2:18]O)[CH:5]=[CH:6][CH:7]=1.[CH2:31]([N:33](CC)[CH2:34]C)C.CS(Cl)(=O)=O>ClCCl>[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[C:9]3[N:10]([C:26]([CH2:29][CH3:30])=[CH:27][CH:28]=3)[N:11]=[C:12]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[C:13]=2[CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][N:33]([CH3:34])[CH3:31])[CH:5]=[CH:6][CH:7]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 693088395-[4-(3-Chlorophenyl)-7-ethyl-2-phenylpyrrolo[1,2-b]pyridazin-3-yl]-1-pentanol

Produkt 1

HCID 693089035-[4-(3-chlorophenyl)-7-ethyl-2-phenylpyrrolo[1,2-b]pyridazin-3-yl]-N,N-dimethyl-1-pentanamineAusbeute 64,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

To a solution of 5-[4-(3-chlorophenyl)-7-ethyl-2-phenylpyrrolo[1,2-b]pyridazin-3-yl]-1-pentanol (55 mg) and triethylamine (19.9 mg) in dichloromethane (3 mL) was added methanesulfonyl chloride (16.5 mg) under ice-water cooling and the mixture was stirred at 0° C. for 1 hour. The solution was washed with brine, dried over magnesium sulfate, and evaporated in vacuo. To the residue in 1,2-dichloroethane (3 mL) was added 2 M dimethylamine in tetrahydrofuran (3 mL) and the mixture was stirred at 60° C. for 120 hours. The solution was diluted with chloroform, washed with brine, dried over magnesium sulfate, and evaporated in vacuo. The residue was purified by silica gel column chromatography eluting with a mixture of hexane and ethyl acetate (20:1–5:1) to give 5-[4-(3-chlorophenyl)-7-ethyl-2-phenylpyrrolo[1,2-b]pyridazin-3-yl]-N,N-dimethyl-1-pentanamine as an yellow oil (38 mg).

Aufarbeitung

  1. washThe solution was washed with brine
  2. dry with materialdried over magnesium sulfate
  3. customevaporated in vacuo
  4. additionTo the residue in 1,2-dichloroethane (3 mL) was added 2 M dimethylamine in tetrahydrofuran (3 mL)
  5. stirringthe mixture was stirred at 60° C. for 120 hours
  6. additionThe solution was diluted with chloroform
  7. washwashed with brine
  8. dry with materialdried over magnesium sulfate
  9. customevaporated in vacuo
  10. customThe residue was purified by silica gel column chromatography
  11. washeluting with a mixture of hexane and ethyl acetate (20:1–5:1)

Quellen und Nachweise

ORD-Eintrag
ord-01beafc2ec7e449fbc4fd127347a56ba
Quelldatensatz
uspto-grants-2006_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07153854B2

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