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Methyl Isobutyl Ketone → 2-[[1-[3-(4-fluorophenoxy)propyl]-4-piperidinyl]methyl]-1-[(4-fluorophenyl)methyl]-1H-benzimidazole ethanedioate

HRID 1904836
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1904836
[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][N:9]2[C:13]3[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=3[N:11]=[C:10]2[CH2:18][CH:19]2[CH2:24][CH2:23][NH:22][CH2:21][CH2:20]2)=[CH:4][CH:3]=1.[C:25](=[O:28])([O-:27])[O-].[Na+].[Na+].CC(C)C[C:34](=[O:36])C.Cl[CH2:39][CH2:40][CH2:41][O:42][C:43]1[CH:48]=[CH:47][C:46]([F:49])=[CH:45][CH:44]=1>O>[C:34]([OH:36])(=[O:42])[C:25]([OH:27])=[O:28].[F:49][C:46]1[CH:47]=[CH:48][C:43]([O:42][CH2:41][CH2:40][CH2:39][N:22]2[CH2:21][CH2:20][CH:19]([CH2:18][C:10]3[N:9]([CH2:8][C:5]4[CH:6]=[CH:7][C:2]([F:1])=[CH:3][CH:4]=4)[C:13]4[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=4[N:11]=3)[CH2:24][CH2:23]2)=[CH:44][CH:45]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 7909Methyl Isobutyl KetoneHCID 10340Sodium CarbonateHCID 743911-(3-Chloropropoxy)-4-fluorobenzeneHCID 140128661-[(4-fluorophenyl)methyl]-2-(4-piperidinylmethyl)-1H-benzimidazole

Produkt 1

HCID 1317152632-[[1-[3-(4-fluorophenoxy)propyl]-4-piperidinyl]methyl]-1-[(4-fluorophenyl)methyl]-1H-benzimidazole ethanedioate
Ausbeute 53 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel2×

Versuchsvorschrift

A mixture of 6.5 parts of 1-[(4-fluorophenyl)methyl]-2-(4-piperidinylmethyl)-1H-benzimidazole, 4.2 parts of sodium carbonate and 120 parts of 4-methyl-2-pentanone was stirred and refluxed for 30 minutes using a water separator. 5.2 Parts of 1-(3-chloropropoxy)-4-fluorobenzene were added at reflux temperature and stirring was continued for 3 hours at this temperature using a water separator. After cooling to room temperature, the salts were filtered off and the filtrate was washed twice with water, dried, filtered and evaporated. The residue was converted into the ethanedioate salt in 2-propanone. The salt was filtered off, washed with 2-propanone and crystallized from methanol. The product was filtered off and dried in vacuo at 80° C., yielding 7 parts (53%) of 2-[[1-[3-(4-fluorophenoxy)propyl]-4-piperidinyl]methyl]-1-[(4-fluorophenyl)methyl]-1H-benzimidazole ethanedioate (1:2); mp. 186.7° C. (119).

Aufarbeitung

  1. temperaturerefluxed for 30 minutes
  2. temperatureat reflux temperature
  3. stirringstirring
  4. filtrationthe salts were filtered off
  5. washthe filtrate was washed twice with water
  6. customdried
  7. filtrationfiltered
  8. customevaporated
  9. filtrationThe salt was filtered off
  10. washwashed with 2-propanone
  11. customcrystallized from methanol
  12. filtrationThe product was filtered off
  13. customdried in vacuo at 80° C.

Quellen und Nachweise

ORD-Eintrag
ord-2c13cc7062a44b60b9176b45f1a98437
Quelldatensatz
uspto-grants-1989_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04839374

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