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Dimethylformamide → trans-4-amino-5-chloro-N-[3-hydroxy-1-[4-oxo-4-(1-pyrrolidinyl)butyl]-4-piperidinyl]-2-methoxybenzamide

HRID 1110392
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1110392
Cl[CH2:2][CH2:3][CH2:4][C:5]([N:7]1[CH2:11][CH2:10][CH2:9][CH2:8]1)=[O:6].CN(C)C=O.[NH2:17][C:18]1[C:33]([Cl:34])=[CH:32][C:21]([C:22]([NH:24][C@@H:25]2[CH2:30][CH2:29][NH:28][CH2:27][C@H:26]2[OH:31])=[O:23])=[C:20]([O:35][CH3:36])[CH:19]=1>C(N(CC)CC)C>[NH2:17][C:18]1[C:33]([Cl:34])=[CH:32][C:21]([C:22]([NH:24][C@@H:25]2[CH2:30][CH2:29][N:28]([CH2:2][CH2:3][CH2:4][C:5](=[O:6])[N:7]3[CH2:11][CH2:10][CH2:9][CH2:8]3)[CH2:27][C@H:26]2[OH:31])=[O:23])=[C:20]([O:35][CH3:36])[CH:19]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 6228DimethylformamideHCID 3040794-Chloro-1-(pyrrolidin-1-yl)butan-1-oneHCID 67922711trans-4-amino-5-chloro-N-(3-hydroxy-4-piperidinyl)-2-methoxybenzamide

Produkt 1

HCID 67922971trans-4-amino-5-chloro-N-[3-hydroxy-1-[4-oxo-4-(1-pyrrolidinyl)butyl]-4-piperidinyl]-2-methoxybenzamideAusbeute 47,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8471
Triethylamine
Lösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

To a stirred solution of 3.00 parts of 1-(4-chloro-1-oxobutyl)pyrrolidine in 67.5 parts of N,N-dimethylformamide were added 1.93 parts of trans-4-amino-5-chloro-N-(3-hydroxy-4-piperidinyl)-2-methoxybenzamide and 1.5 parts of N,N-diethylethanamine and the whole was stirred for 18 hours at 70° C. The reaction mixture was evaporated and the residue was taken up in a sodium carbonate solution in water. The product was extracted with trichloromethane. The extract was washed with water, dried, filtered and evaporated. The residue was purified by column chromatography over silica gel using a mixture of trichloromethane and methanol, saturated with ammonia, (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 2.1 parts (47.8%) of trans-4-amino-5-chloro-N-[3-hydroxy-1-[4-oxo-4-(1-pyrrolidinyl)butyl]-4-piperidinyl]-2-methoxybenzamide; mp. 174.7° C. (compound 15).

Aufarbeitung

  1. customThe reaction mixture was evaporated
  2. extractionThe product was extracted with trichloromethane
  3. washThe extract was washed with water
  4. customdried
  5. filtrationfiltered
  6. customevaporated
  7. customThe residue was purified by column chromatography over silica gel using
  8. additiona mixture of trichloromethane and methanol
  9. customThe pure fractions were collected
  10. customthe eluent was evaporated
  11. customThe residue was crystallized from acetonitrile
  12. filtrationThe product was filtered off
  13. customdried

Quellen und Nachweise

ORD-Eintrag
ord-2e89199fd8ec4b13857f7870a9bb81be
Quelldatensatz
uspto-grants-1990_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04975439

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