Ammonium Hydroxide → (+/-)-4-[2-methyl-1-(1H-1,2,4-triazol-1-yl)propyl]-benzenamine

HRID 349391Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 349391
[CH3:1][CH:2]([CH3:19])[CH:3]([C:9]1[CH:14]=[CH:13][C:12]([NH:15]C(=O)C)=[CH:11][CH:10]=1)[N:4]1[CH:8]=[N:7][CH:6]=[N:5]1.[NH4+].[OH-]>Cl>[CH3:1][CH:2]([CH3:19])[CH:3]([C:9]1[CH:14]=[CH:13][C:12]([NH2:15])=[CH:11][CH:10]=1)[N:4]1[CH:8]=[N:7][CH:6]=[N:5]1

Komponenten

4

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

A mixture of (±)-N-[4-[2-methyl-1-(1H-1,2,4-triazol-1-yl)propyl]phenyl]acetamide (0.095 mol) in HCl (3N) (250 ml) was stirred and heated at 60° C. for 5 hours. The mixture was cooled, poured into ice, basified with concentrated NH4OH and extracted with CH2Cl2. The organic layer was dried, filtered off and evaporated. The residue was crystallized from 2-propanone/(C2H5)2O and filtered off, yielding 15.5 g (75%) of (±)-4-[2-methyl-1-(1H-1,2,4-triazol-1-yl)propyl]-benzenamine (interm. 2; mp. 117.8° C.).

Aufarbeitung

  1. temperatureThe mixture was cooled
  2. additionpoured into ice
  3. extractionextracted with CH2Cl2
  4. customThe organic layer was dried
  5. filtrationfiltered off
  6. customevaporated
  7. customThe residue was crystallized from 2-propanone/(C2H5)2O
  8. filtrationfiltered off

Quellen und Nachweise

ORD-Eintrag
ord-0abcdf2ad47d440c9c8eae9218999b11
Quelldatensatz
uspto-grants-2007_02
Patentnummer
US07179825B2

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