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Ammonium Chloride → 4-[(3aR,6aR)-5-methyl-2,3,3a,4,6,6a-hexahydropyrrolo[3,4-b]pyrrol-1-yl]-6-methoxy-N-[4-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)pyrimidin-2-yl]benzene-1,3-diamine

HRID 1842785
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1842785
[CH3:1][N:2]1[CH2:9][C@@H:8]2[C@@H:4]([N:5]([C:10]3[C:15]([N+:16]([O-])=O)=[CH:14][C:13]([NH:19][C:20]4[N:25]=[C:24]([C:26]5[CH:27]=[N:28][N:29]6[CH2:34][CH2:33][CH2:32][CH2:31][C:30]=56)[CH:23]=[CH:22][N:21]=4)=[C:12]([O:35][CH3:36])[CH:11]=3)[CH2:6][CH2:7]2)[CH2:3]1.[NH4+].[Cl-]>C(O)C.O.[Fe]>[CH3:1][N:2]1[CH2:9][C@@H:8]2[C@@H:4]([N:5]([C:10]3[CH:11]=[C:12]([O:35][CH3:36])[C:13]([NH:19][C:20]4[N:25]=[C:24]([C:26]5[CH:27]=[N:28][N:29]6[CH2:34][CH2:33][CH2:32][CH2:31][C:30]=56)[CH:23]=[CH:22][N:21]=4)=[CH:14][C:15]=3[NH2:16])[CH2:6][CH2:7]2)[CH2:3]1
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Komponenten

6

Edukt 2

HCID 25517Ammonium ChlorideHCID 71269945N-{4-[(3aR,6aR)-5-methyl-2,3,3a,4,6,6a-hexahydropyrrolo[3,4-b]pyrrol-1-yl]-2-methoxy-5-nitrophenyl}-4-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)pyrimidin-2-amine2×

Produkt 1

HCID 866772934-[(3aR,6aR)-5-methyl-2,3,3a,4,6,6a-hexahydropyrrolo[3,4-b]pyrrol-1-yl]-6-methoxy-N-[4-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)pyrimidin-2-yl]benzene-1,3-diamineAusbeute 33 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 23925IronKatalysator
HCID 702EthanolLösungsmittel
HCID 962WaterLösungsmittel

Versuchsvorschrift

A mixture of N-{4-[(3aR,6aR)-5-methyl-2,3,3a,4,6,6a-hexahydropyrrolo[3,4-b]pyrrol-1-yl]-2-methoxy-5-nitrophenyl}-4-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)pyrimidin-2-amine (Intermediate 133, 400 mg, 0.82 mmol), iron (273 mg, 4.89 mmol) and NH4Cl (30.5 mg, 0.57 mmol) in ethanol (12 mL) and water (4 mL) was heated at reflux for 4 h and then stirred at r.t.overnight. Part-purification by ion exchange chromatography, using an SCX column, eluting with 7M methanolic ammonia provided crude material that was concentrated in vacuo onto silica. Purification by FCC, eluting with 0-5% 7N methanolic ammonia in CH2Cl2 provided impure product as a brown gum. Further purification by FCC, eluting with 0-2% 7N methanolic ammonia in CH2Cl2 provided the title compound (123 mg, 33%) as a brown gum; m/z: ES+ MH+ 461.26.

Aufarbeitung

  1. temperaturewas heated
  2. temperatureat reflux for 4 h
  3. customovernight
  4. customPart-purification by ion exchange chromatography
  5. washeluting with 7M methanolic ammonia
  6. customprovided crude material that
  7. concentrationwas concentrated in vacuo onto silica
  8. customPurification by FCC
  9. washeluting with 0-5% 7N methanolic ammonia in CH2Cl2 provided impure product as a brown gum
  10. customFurther purification by FCC
  11. washeluting with 0-2% 7N methanolic ammonia in CH2Cl2

Quellen und Nachweise

ORD-Eintrag
ord-b4472d6853f84a2fbb6f7d8619157926
Quelldatensatz
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08946235B2

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