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Acetonitrile → HCID 67070941, Verbindung

HRID 1078859
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1078859
[F:1][C:2]1[CH:16]=[CH:15][C:5]2[C:6]([CH:9]3[CH2:14][CH2:13]NCC3)=[N:7][O:8][C:4]=2[CH:3]=1.C([O-])([O-])=O.[K+].[K+].BrCCC[CH2:27][C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=1[O:34][CH3:35].[C:36]([OH:43])(=[O:42])/[CH:37]=[CH:38]\[C:39]([OH:41])=[O:40].[C:44](#[N:46])[CH3:45]>C(O)C>[C:36]([OH:43])(=[O:42])/[CH:37]=[CH:38]\[C:39]([OH:41])=[O:40].[F:1][C:2]1[CH:16]=[CH:15][C:5]2[C:6]([CH2:9][CH2:14][CH2:13][CH:27]([N:46]3[CH2:38][CH2:37][CH2:36][CH2:45][CH2:44]3)[C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=3[O:34][CH3:35])=[N:7][O:8][C:4]=2[CH:3]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 5

HCID 6342AcetonitrileHCID 11430Potassium CarbonateHCID 444266Maleic AcidHCID 8494213-(4-Piperidyl)-6-fluoro-1,2-benzisoxazoleHCID 190724681-(4-Bromobutyl)-2-methoxybenzene

Produkt 1

HCID 67070941HCID 67070941, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 702EthanolLösungsmittel

Versuchsvorschrift

A mixture of 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole (2.36 g, 10.7 mmole), K2CO3 (2 g, 14.5 mmol) and 2-(4-bromobutyl)anisole (2.4 g, 10 mmol) in acetonitrile (100 ml) was heated at reflux for 2.5 hours. At the end of reaction, the solvent was removed. The residue was extracted into dichloromethane (200 ml) and filtered. The dichloromethane solution was concentrated. The crude oil obtained was purified on a flash chromatography column. The material thus purified was a light yellow oil (2.73 g, 53%). This oil was dissolved in ethanol and treated with maleic acid (607 mg, 1.0 eq) in ethanol. The 4-(6-fluoro-1,2-benzisoxazol-3-yl)-l-(2'-methoxyphenyl) -butylpiperidine maleate crystals formed on concentration and subsequent cooling to 0° C. These were collected and dried to yield 2.05 g,

Aufarbeitung

  1. temperaturewas heated
  2. temperatureat reflux for 2.5 hours
  3. customAt the end of reaction
  4. customthe solvent was removed
  5. extractionThe residue was extracted into dichloromethane (200 ml)
  6. filtrationfiltered
  7. concentrationThe dichloromethane solution was concentrated
  8. customThe crude oil obtained
  9. customwas purified on a flash chromatography column
  10. customThe material thus purified
  11. dissolutionThis oil was dissolved in ethanol

Quellen und Nachweise

ORD-Eintrag
ord-6dc5068e7e2e4ac299e3bf4ba4260163
Quelldatensatz
uspto-grants-1996_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05550130

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