Hydrochloric Acid → Pyrido[2,3-d]pyrimidine, 4-[2-[4-(1,1-dimethylethyl)phenyl]ethoxy]-

HRID 1087000

Reaktionsgleichung

Reaktionsgleichung von HRID 1087000
Cl[C:2]1[C:3]2[CH:11]=[CH:10][CH:9]=[N:8][C:4]=2[N:5]=[CH:6][N:7]=1.[C:12]([C:16]1[CH:21]=[CH:20][C:19]([CH2:22][CH2:23][OH:24])=[CH:18][CH:17]=1)([CH3:15])([CH3:14])[CH3:13].Cl>C1(C)C=CC=CC=1>[C:12]([C:16]1[CH:17]=[CH:18][C:19]([CH2:22][CH2:23][O:24][C:2]2[C:3]3[CH:11]=[CH:10][CH:9]=[N:8][C:4]=3[N:5]=[CH:6][N:7]=2)=[CH:20][CH:21]=1)([CH3:15])([CH3:13])[CH3:14]

Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 79410p-tert-Butylphenethyl alcoholHCID 5690394-Chloropyrido[2,3-d]pyrimidine

Produkt 1

HCID 178230Pyrido[2,3-d]pyrimidine, 4-[2-[4-(1,1-dimethylethyl)phenyl]ethoxy]-

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1140TolueneLösungsmittel

Versuchsvorschrift

A mixture consisting of 1.86 g (0.011 mole) of 4-chloropyrido-[2,3-d]pyrimidine, 2.0 g (0.011 mole) of 2-[4-(t-butyl)phenyl]ethanol, and 40 mL of toluene containing a little HCl gas was stirred at room temperature. The mixture was then cooled, and a yellow solid was collected. This was washed with hexane, then partitioned between 1N NaOH and CH2Cl2. The CH2Cl2 layer was dried over MgSO4, then the solvent was removed under vacuum to leave a yellow solid, which was recrystallized from hexane. Yield 2.5 g. M.P. 77-79° C.

Aufarbeitung

  1. temperatureThe mixture was then cooled
  2. customa yellow solid was collected
  3. washThis was washed with hexane
  4. custompartitioned between 1N NaOH and CH2Cl2
  5. dry with materialThe CH2Cl2 layer was dried over MgSO4
  6. customthe solvent was removed under vacuum
  7. customto leave a yellow solid, which
  8. customwas recrystallized from hexane

Quellen und Nachweise

ORD-Eintrag
ord-98fc451373354d45bcc6b4478b7890c5
Quelldatensatz
uspto-grants-1991_07
Patentnummer
US05034393

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