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Acetic Acid → Laniquidar

HRID 1016375
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1016375
[N:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1[CH2:11][O:12][C:13]1[CH:18]=[CH:17][C:16]([CH2:19][CH2:20][N:21]2[CH2:26][CH2:25][C:24](=[C:27]3[C:33]4[CH:34]=[CH:35][CH:36]=[CH:37][C:32]=4[CH2:31][CH2:30][N:29]4[C:38]([CH:41]=[O:42])=[CH:39][N:40]=[C:28]34)[CH2:23][CH2:22]2)=[CH:15][CH:14]=1.[O-:43][C:44]#N.[Na+].C(O)(=O)C>CO.[O-2].[O-2].[Mn+4]>[N:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1[CH2:11][O:12][C:13]1[CH:18]=[CH:17][C:16]([CH2:19][CH2:20][N:21]2[CH2:22][CH2:23][C:24](=[C:27]3[C:33]4[CH:34]=[CH:35][CH:36]=[CH:37][C:32]=4[CH2:31][CH2:30][N:29]4[C:38]([C:41]([O:43][CH3:44])=[O:42])=[CH:39][N:40]=[C:28]34)[CH2:25][CH2:26]2)=[CH:15][CH:14]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 176Acetic AcidHCID 517096Sodium CyanateHCID 99156646,11-dihydro-11-[1-[2-[4-(2-quinolinylmethoxy)phenyl]ethyl]-4-piperidinylidene]-5H-imidazo[2,1-b][3]benzazepine-3-carboxaldehyde

Produkt 1

HCID 6450806LaniquidarAusbeute 87,9 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418406
HCID 178418406, Verbindung
Katalysator
HCID 887MethanolLösungsmittel

Versuchsvorschrift

A mixture of compound 4 (164 g), sodium cyanate (80 g) and manganese dioxide (500 g) in methanol (5.5 l) was stirred at room temperature. Ethanoic acid (122 g) was added dropwise and the resulting reaction mixture was stirred and refluxed overnight. The reaction mixture was filtered over dicalite, and the filter residue was rinsed with CH3OH/CH2Cl2. The filtrate was evaporated. The residue was partitioned between DCM and aqueous K2CO3 solution. The organic layer was separated, dried (MgSO4), filtered and the solvent was evaporated. The residue was crystallized from ACN. The precipitate was filtered off and dried, yielding 152 g (87%) of methyl 6,11-dihydro-11-[1-[2-[4-(2-quinolinylmethoxy)phenyl]ethyl]-4-piperidinylidene]-5H-imidazo[2,1-b][3]-benzazepine-3-carboxylate (compound 6, mp. 179.3° C.).

Aufarbeitung

  1. customthe resulting reaction mixture
  2. stirringwas stirred
  3. temperaturerefluxed overnight
  4. filtrationThe reaction mixture was filtered over dicalite
  5. washthe filter residue was rinsed with CH3OH/CH2Cl2
  6. customThe filtrate was evaporated
  7. customThe residue was partitioned between DCM and aqueous K2CO3 solution
  8. customThe organic layer was separated
  9. dry with materialdried (MgSO4)
  10. filtrationfiltered
  11. customthe solvent was evaporated
  12. customThe residue was crystallized from ACN
  13. filtrationThe precipitate was filtered off
  14. customdried

Quellen und Nachweise

ORD-Eintrag
ord-1a2647c23b4245aaa0854e2afacd6b86
Quelldatensatz
uspto-grants-2002_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06476018B1

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