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Pyridine → tert-butyl 3-(6-amino-8-oxo-7-(4-phenoxyphenyl)-7H-purin-9(8H)-yl)phenyl(methyl)carbamate

HRID 1887054
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1887054
[NH2:1][C:2]1[N:10]=[CH:9][N:8]=[C:7]2[C:3]=1[NH:4][C:5](=[O:26])[N:6]2[C:11]1[CH:12]=[C:13]([N:17]([CH3:25])[C:18](=[O:24])[O:19][C:20]([CH3:23])([CH3:22])[CH3:21])[CH:14]=[CH:15][CH:16]=1.[O:27]([C:34]1[CH:39]=[CH:38][C:37](B(O)O)=[CH:36][CH:35]=1)[C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1.N1C=CC=CC=1>CN(C=O)C.CC([O-])=O.CC([O-])=O.[Cu+2]>[NH2:1][C:2]1[N:10]=[CH:9][N:8]=[C:7]2[C:3]=1[N:4]([C:37]1[CH:38]=[CH:39][C:34]([O:27][C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=3)=[CH:35][CH:36]=1)[C:5](=[O:26])[N:6]2[C:11]1[CH:12]=[C:13]([N:17]([CH3:25])[C:18](=[O:24])[O:19][C:20]([CH3:22])([CH3:23])[CH3:21])[CH:14]=[CH:15][CH:16]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 1049PyridineHCID 27343774-Phenoxyphenylboronic acidHCID 86691218tert-butyl 3-(6-amino-8-oxo-7H-purin-9(8H)-yl)phenyl(methyl)carbamate

Produkt 1

HCID 86691219tert-butyl 3-(6-amino-8-oxo-7-(4-phenoxyphenyl)-7H-purin-9(8H)-yl)phenyl(methyl)carbamate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 8895
Cupric acetate
Katalysator
HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
37 °C

Versuchsvorschrift

To a mixture of tert-butyl 3-(6-amino-8-oxo-7H-purin-9(8H)-yl)phenyl(methyl)carbamate (24) (600 mg, 1.68 mmol) and 4 A MS (800 mg) in dry DMF (10 mL) were added 4-phenoxyphenylboronic acid (1.08 g, 5.06 mmol), Cu(OAc)2 (307 mg, 1.68 mmol) and pyridine (1 mL). The reaction mixture was heated to 37° C. overnight under O2 atmosphere, and filtered through a Celite pad. The filtrate was diluted with water (30 mL), extracted with EtOAc (10 mL×3). The combined organic layer was washed with water and brine, dried over Na2SO4, and concentrated. The residue was purified by column chromatography (silica gel, 0 to 5% methanol in methylene chloride) to give tert-butyl 3-(6-amino-8-oxo-7-(4-phenoxyphenyl)-7H-purin-9(8H)-yl)phenyl(methyl)carbamate as a light yellow solid (31) (450 mg, 51%). LC-MS (ESI): m/z (M+1) 525.

Aufarbeitung

  1. filtrationfiltered through a Celite pad
  2. additionThe filtrate was diluted with water (30 mL)
  3. extractionextracted with EtOAc (10 mL×3)
  4. washThe combined organic layer was washed with water and brine
  5. dry with materialdried over Na2SO4
  6. concentrationconcentrated
  7. customThe residue was purified by column chromatography (silica gel, 0 to 5% methanol in methylene chloride)

Quellen und Nachweise

ORD-Eintrag
ord-9c7b5e2433c943cf9ef2d7880db8ae71
Quelldatensatz
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08501724B1

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