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Potassium Iodide → cis-4-amino-5-chloro-2-methoxy-N-[3-methoxy-1-[4-oxo-4-(3-pyridinyl)butyl]-4-piperidinyl]benzamide

HRID 1165043
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1165043
Cl[CH2:2][CH2:3][CH2:4][C:5]([C:7]1[CH:8]=[N:9][CH:10]=[CH:11][CH:12]=1)=[O:6].[NH2:13][C:14]1[C:30]([Cl:31])=[CH:29][C:17]([C:18]([NH:20][C@H:21]2[CH2:26][CH2:25][NH:24][CH2:23][C@H:22]2[O:27][CH3:28])=[O:19])=[C:16]([O:32][CH3:33])[CH:15]=1.C(N(CC)CC)C.[I-].[K+]>CN(C)C=O>[NH2:13][C:14]1[C:30]([Cl:31])=[CH:29][C:17]([C:18]([NH:20][C@H:21]2[CH2:26][CH2:25][N:24]([CH2:2][CH2:3][CH2:4][C:5](=[O:6])[C:7]3[CH:8]=[N:9][CH:10]=[CH:11][CH:12]=3)[CH2:23][C@H:22]2[O:27][CH3:28])=[O:19])=[C:16]([O:32][CH3:33])[CH:15]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 4875Potassium IodideHCID 8471TriethylamineHCID 98616214-Amino-5-chloro-2-methoxy-N-[(3R,4S)-3-methoxypiperidin-4-YL]benzamideHCID 124710054-Chloro-1-(pyridin-3-YL)butan-1-one

Produkt 1

HCID 14854942cis-4-amino-5-chloro-2-methoxy-N-[3-methoxy-1-[4-oxo-4-(3-pyridinyl)butyl]-4-piperidinyl]benzamideAusbeute 20 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

A mixture of 3.47 parts of 4-chloro-1-(3-pyridinyl)-1-butanone, 4.5 parts of cis-4-amino-5-chloro-2-methoxy-N-(3-methoxy-4-piperidinyl)benzamide, 1.94 parts of N,N-diethylethanamine, 0.1 parts of potassium iodide and 67.5 parts of N,N-dimethylformamide was stirred and heated for 48 hours at 70° C. The reaction mixture was evaporated. The residue was washed with a sodium carbonate solution in water and purified by column chromatography over silica gel using a mixture of trichloromethane and methanol (90:10 by volume) as eluent. The pure fractions were collected and the eluent was evaporated. The residue was crystallized from acetonitrile. The product was filtered off and dried, yielding 1.36 parts (20%) of cis-4-amino-5-chloro-2-methoxy-N-[3-methoxy-1-[4-oxo-4-(3-pyridinyl)butyl]-4-piperidinyl]benzamide; mp. 166.2° C. (compound 1).

Aufarbeitung

  1. customThe reaction mixture was evaporated
  2. washThe residue was washed with a sodium carbonate solution in water
  3. custompurified by column chromatography over silica gel using
  4. additiona mixture of trichloromethane and methanol (90:10 by volume) as eluent
  5. customThe pure fractions were collected
  6. customthe eluent was evaporated
  7. customThe residue was crystallized from acetonitrile
  8. filtrationThe product was filtered off
  9. customdried

Quellen und Nachweise

ORD-Eintrag
ord-8af85a6a6aec40089a0322c4685d4da3
Quelldatensatz
uspto-grants-1990_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04906643

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