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Acetic Acid → 4-[Bis(4-fluorophenyl)methylene]-1-(phenylmethyl)piperidine

HRID 484715
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 484715
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([C:23]2[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=2)([CH:10]2[CH2:15][CH2:14][N:13]([CH2:16][C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)[CH2:12][CH2:11]2)O)=[CH:4][CH:3]=1.Cl.C(O)(=O)C.O>CC1C=CC=CC=1>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([C:23]2[CH:24]=[CH:25][C:26]([F:29])=[CH:27][CH:28]=2)=[C:10]2[CH2:15][CH2:14][N:13]([CH2:16][C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)[CH2:12][CH2:11]2)=[CH:4][CH:3]=1
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Komponenten

6

Edukt 4

HCID 176Acetic AcidHCID 313Hydrochloric AcidHCID 962WaterHCID 13519964alpha,alpha-Bis(4-fluorophenyl)-1-(phenylmethyl)-4-piperidinemethanol

Produkt 1

HCID 135199654-[Bis(4-fluorophenyl)methylene]-1-(phenylmethyl)piperidine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1140
Toluene
Lösungsmittel

Versuchsvorschrift

A mixture of 40 parts of α,α-bis(4-fluorophenyl)-1-(phenylmethyl)-4-piperidinemethanol, 120 parts of a hydrochloric acid solution and 50 parts of acetic acid was stirred and refluxed for 2 hours. The reaction mixture was cooled and water and methylbenzene were added: three layers were obtained. The two supernatant phases were separated and treated with ammonium hydroxide. The organic phase was separated, dried, filtered and evaporated. The residue was crystallized from 2,2'-oxybispropane, yielding 26 parts of 4-[bis(4-fluorophenyl)methylene]-1-(phenylmethyl)piperidine (intermediate 13).

Aufarbeitung

  1. temperaturerefluxed for 2 hours
  2. temperatureThe reaction mixture was cooled
  3. customthree layers were obtained
  4. customThe two supernatant phases were separated
  5. additiontreated with ammonium hydroxide
  6. customThe organic phase was separated
  7. customdried
  8. filtrationfiltered
  9. customevaporated
  10. customThe residue was crystallized from 2,2'-oxybispropane

Quellen und Nachweise

ORD-Eintrag
ord-74ff45c5dba744e4994864b4ca504911
Quelldatensatz
uspto-grants-1985_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04533665

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