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Trifluoroacetic anhydride → (S)-2-fluoro-5-(1-(4-(5-isopropyl-1H-pyrazol-3-ylamino)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-yl)pyrrolidine-2-carboxamido)pyridine 1-oxide

HRID 1485318
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Reaktionsgleichung

Reaktionsgleichung von HRID 1485318
[F:1][C:2]1[N:7]=[CH:6][C:5]([NH:8][C:9]([C@@H:11]2[CH2:15][CH2:14][CH2:13][N:12]2[C:16]2[N:17]=[C:18]([NH:25][C:26]3[CH:30]=[C:29]([CH:31]([CH3:33])[CH3:32])[NH:28][N:27]=3)[C:19]3[CH2:24][CH2:23][CH2:22][C:20]=3[N:21]=2)=[O:10])=[CH:4][CH:3]=1.NC(N)=[O:36].OO.FC(F)(F)C(OC(=O)C(F)(F)F)=O>C(Cl)Cl.C(=O)(O)[O-].[Na+]>[F:1][C:2]1[CH:3]=[CH:4][C:5]([NH:8][C:9]([C@@H:11]2[CH2:15][CH2:14][CH2:13][N:12]2[C:16]2[N:17]=[C:18]([NH:25][C:26]3[CH:30]=[C:29]([CH:31]([CH3:33])[CH3:32])[NH:28][N:27]=3)[C:19]3[CH2:24][CH2:23][CH2:22][C:20]=3[N:21]=2)=[O:10])=[CH:6][N+:7]=1[O-:36]
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Komponenten

6

Edukt 3

HCID 9845Trifluoroacetic anhydrideHCID 31294Carbamide PeroxideHCID 76072890(S)-N-(6-fluoropyridin-3-yl)-1-(4-(5-isopropyl-1H-pyrazol-3-ylamino)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-yl)pyrrolidine-2-carboxamide

Produkt 1

HCID 86723660(S)-2-fluoro-5-(1-(4-(5-isopropyl-1H-pyrazol-3-ylamino)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-yl)pyrrolidine-2-carboxamido)pyridine 1-oxideAusbeute 4,9 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6344DichloromethaneLösungsmittelHCID 516892Sodium BicarbonateLösungsmittel

Versuchsvorschrift

To a solution of (S)—N-(6-fluoropyridin-3-yl)-1-(4-(5-isopropyl-1H-pyrazol-3-ylamino)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-yl)pyrrolidine-2-carboxamide (200 mg, 0.44 mmol) and urea-hydrogen peroxide (125 mg, 1.33 mmol) in DCM (10 mL) at 0° C. was added trifluoroacetic anhydride (280 mg, 1.33 mmol). The resulting mixture was allowed to stir at RT overnight. The reaction mixture was concentrated under reduced pressure to afford an oily residue that was diluted with saturated sodium bicarbonate solution (10 mL), and the product was extracted with EtOAc (2×25 mL). The combined organic layer was dried over anhydrous sodium sulfate. Removal of EtOAc under reduced pressure gave an oily residue that was purified by reverse phase HPLC to afford 10 mg of (S)-2-fluoro-5-(1-(4-(5-isopropyl-1H-pyrazol-3-ylamino)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-yl)pyrrolidine-2-carboxamido)pyridine 1-oxide. 1HNMR (400 MHz, CD3OD) δ (ppm): 1.20 (d, 6H), 2.02-2.18 (m, 4H), 2.21-2.36 (m, 2H), 2.75-2.93 (m, 5H), 3.60-3.70 (m, 1H), 3.77-3.84 (m, 1H), 4.77 (dd, 1H), 6.21 (s, 1H), 7.36-7.41 (m, 1H), 7.50 (s, 1H), 8.81-8.89 (m, 1H). The other enantiomer was obtained using chiral (R) starting material.

Aufarbeitung

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. customto afford an oily residue that
  3. extractionthe product was extracted with EtOAc (2×25 mL)
  4. dry with materialThe combined organic layer was dried over anhydrous sodium sulfate
  5. customRemoval of EtOAc under reduced pressure
  6. customgave an oily residue that
  7. customwas purified by reverse phase HPLC

Quellen und Nachweise

ORD-Eintrag
ord-1c4150f5359542f68a4ab25af6ca9c03
Quelldatensatz
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09422267B2

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