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Acetic Anhydride → T-2307 free base

HRID 644133
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 644133
[NH2:1][C:2](=[N:33]O)[C:3]1[CH:32]=[CH:31][C:6]([O:7][CH2:8][CH2:9][CH2:10][CH:11]2[CH2:16][CH2:15][N:14]([CH2:17][CH2:18][CH2:19][O:20][C:21]3[CH:30]=[CH:29][C:24]([C:25]([NH2:28])=[N:26]O)=[CH:23][CH:22]=3)[CH2:13][CH2:12]2)=[CH:5][CH:4]=1.C(OC(=O)C)(=O)C>[C].[Pd].C(O)(=O)C>[NH2:33][C:2](=[NH:1])[C:3]1[CH:32]=[CH:31][C:6]([O:7][CH2:8][CH2:9][CH2:10][CH:11]2[CH2:16][CH2:15][N:14]([CH2:17][CH2:18][CH2:19][O:20][C:21]3[CH:22]=[CH:23][C:24]([C:25]([NH2:28])=[NH:26])=[CH:29][CH:30]=3)[CH2:13][CH2:12]2)=[CH:5][CH:4]=1
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Komponenten

5

Edukt 2

HCID 7918Acetic AnhydrideHCID 730702114-{3-[4-(3-{4-[amino(hydroxyimino)methyl]phenoxy}propyl)-1-piperidinyl]propoxy}-N'-hydroxybenzamidine

Produkt 1

HCID 9803135T-2307 free baseAusbeute 61,2 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418390HCID 178418390, VerbindungKatalysatorHCID 176Acetic Acid
Lösungsmittel

Versuchsvorschrift

To an acetic acid (10 mL) suspension of 1.07 g of 4-{3-[4-(3-{4-[amino(hydroxyimino)methyl]phenoxy}propyl)-1-piperidinyl]propoxy}-N′-hydroxybenzamidine was added 0.64 mL of acetic anhydride at room temperature, which was then stirred at room temperature for 40 minutes. To this mixture was added 0.10 g of 5% palladium-carbon, which was then stirred under hydrogen atmosphere for 2 hours and 15 minutes. Insoluble matter was filtered off before adding 4 mL of 6.0 mol/L hydrochloric acid, and insoluble matter was then filtered off, followed by distilling off the solvent under reduced pressure. A 5.0 mol/L sodium hydroxide aqueous solution was added to the resultant residue to adjust the pH to 12.5, followed by collecting the solid matter by filtration to provide 0.61 g of 4-{3-[4-(3-{4-[amino(imino)methyl]phenoxy}propyl)-1-piperidinyl]propoxy}benzamidine as white solid form.

Aufarbeitung

  1. stirringwas then stirred under hydrogen atmosphere for 2 hours and 15 minutes
  2. filtrationInsoluble matter was filtered off
  3. additionbefore adding 4 mL of 6.0 mol/L hydrochloric acid, and insoluble matter
  4. filtrationwas then filtered off
  5. distillationby distilling off the solvent under reduced pressure
  6. additionA 5.0 mol/L sodium hydroxide aqueous solution was added to the resultant residue
  7. customby collecting the solid matter
  8. filtrationby filtration

Quellen und Nachweise

ORD-Eintrag
ord-34e72a4d3f6c4c248fdf215e1bc9c073
Quelldatensatz
uspto-grants-2010_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07700623B2

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