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Isopropanol → Imatinib Mesylate

HRID 15376
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 15376
[CH3:1][S:2]([OH:5])(=[O:4])=[O:3].[CH3:6][C:7]1[CH:8]=[CH:9][C:10]([NH:26][C:27]([C:29]2[CH:30]=[CH:31][C:32]([CH2:35][N:36]3[CH2:41][CH2:40][N:39]([CH3:42])[CH2:38][CH2:37]3)=[CH:33][CH:34]=2)=[O:28])=[CH:11][C:12]=1[NH:13][C:14]1[N:15]=[CH:16][CH:17]=[C:18]([C:20]2[CH:21]=[CH:22][CH:23]=[N:24][CH:25]=2)[N:19]=1.C(O)(C)C.C(OCC)(=O)C>C(O)C>[CH3:6][C:7]1[CH:8]=[CH:9][C:10]([NH:26][C:27]([C:29]2[CH:34]=[CH:33][C:32]([CH2:35][N:36]3[CH2:37][CH2:38][N:39]([CH3:42])[CH2:40][CH2:41]3)=[CH:31][CH:30]=2)=[O:28])=[CH:11][C:12]=1[NH:13][C:14]1[N:19]=[C:18]([C:20]2[CH:21]=[CH:22][CH:23]=[N:24][CH:25]=2)[CH:17]=[CH:16][N:15]=1.[CH3:1][S:2]([OH:5])(=[O:4])=[O:3]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 3776IsopropanolHCID 5291ImatinibHCID 6395Methanesulfonic AcidHCID 8857Ethyl Acetate

Produkt 1

HCID 123596Imatinib Mesylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702EthanolLösungsmittel

Reaktionsbedingungen

Temperatur
65 °C

Versuchsvorschrift

Methanesulfonic acid (ca. 0.99 eq.) was added, with stirring to a suspension of Imatinib (10.647 g) in ethyl alcohol (173 mL) heated previously to 65° C. and the mixture was stirred for 5 min. The seeds of the α-crystal form (0.279 g) were added to the solution at approx. 44° C. followed by dropwise addition of isopropyl alcohol (65 mL) and ethyl acetate (238 mL). Stirring at room temperature (approx. 24-25° C.) was continued for 4 hours and then the mixture was left without stirring for 64 h. The product was filtered off and washed with 50 mL of ethyl acetate. The crystals were dried under reduced pressure at room temperature to afford 11.85 g (93.1%) of α-crystal form of Imatinib monomesylate.

Aufarbeitung

  1. additionThe seeds of the α-crystal form (0.279 g) were added to the solution at approx. 44° C.
  2. stirringStirring at room temperature (approx. 24-25° C.)
  3. waitwas continued for 4 hours
  4. waitthe mixture was left
  5. stirringwithout stirring for 64 h
  6. filtrationThe product was filtered off
  7. washwashed with 50 mL of ethyl acetate
  8. customThe crystals were dried under reduced pressure at room temperature

Quellen und Nachweise

ORD-Eintrag
ord-8b07da66c7b84ae4b6c6d39409d2fcd6
Quelldatensatz
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07732601B2

Notizen zur Reaktion

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