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Hydrogen Peroxide → 5-((2R,4S)-4-carbamoyl-2-(3-fluorophenyl)pyrrolidin-1-yl)-N,N-bis(4-methoxybenzyl)pyrazolo[1,5-a]pyridine-3-carboxamide

HRID 513056
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 513056
[C:1]([C@@H:3]1[CH2:7][N:6]([C:8]2[CH:13]=[CH:12][N:11]3[N:14]=[CH:15][C:16]([C:17]([N:19]([CH2:29][C:30]4[CH:35]=[CH:34][C:33]([O:36][CH3:37])=[CH:32][CH:31]=4)[CH2:20][C:21]4[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=4)=[O:18])=[C:10]3[CH:9]=2)[C@@H:5]([C:38]2[CH:43]=[CH:42][CH:41]=[C:40]([F:44])[CH:39]=2)[CH2:4]1)#[N:2].[OH-:45].[Na+].OO>CO>[C:1]([C@@H:3]1[CH2:7][N:6]([C:8]2[CH:13]=[CH:12][N:11]3[N:14]=[CH:15][C:16]([C:17]([N:19]([CH2:29][C:30]4[CH:35]=[CH:34][C:33]([O:36][CH3:37])=[CH:32][CH:31]=4)[CH2:20][C:21]4[CH:22]=[CH:23][C:24]([O:27][CH3:28])=[CH:25][CH:26]=4)=[O:18])=[C:10]3[CH:9]=2)[C@@H:5]([C:38]2[CH:43]=[CH:42][CH:41]=[C:40]([F:44])[CH:39]=2)[CH2:4]1)(=[O:45])[NH2:2]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 784Hydrogen PeroxideHCID 14798Sodium HydroxideHCID 682824635-((2R,4S)-4-cyano-2-(3-fluorophenyl)pyrrolidin-1-yl)-N,N-bis(4-methoxybenzyl)pyrazolo[1,5-a]pyridine-3-carboxamide

Produkt 1

HCID 682821825-((2R,4S)-4-carbamoyl-2-(3-fluorophenyl)pyrrolidin-1-yl)-N,N-bis(4-methoxybenzyl)pyrazolo[1,5-a]pyridine-3-carboxamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887
Methanol
Lösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

A solution of 5-((2R,4S)-4-cyano-2-(3-fluorophenyl)pyrrolidin-1-yl)-N,N-bis(4-methoxybenzyl)pyrazolo[1,5-a]pyridine-3-carboxamide (I-35) (25 mg, 0.042 mmol) in MeOH (1 mL) was cooled to 0° C. A 1M NaOH solution (0.17 mL, 0.17 mmol) and 30% H2O2 (0.01 mL) were added to the reaction and stirred at 0° C. for 1 hour followed by room temperature for 1 hour. The reaction was concentrated to dryness and the residue was partitioned between EtOAc and H2O. The aqueous layer was extracted twice with EtOAc and the combined organics were dried over Na2SO4, filtered, and concentrated. The residue was purified by silica chromatography with EtOAc/hexane gradient as eluent to yield 5-((2R,4S)-4-carbamoyl-2-(3-fluorophenyl)pyrrolidin-1-yl)-N,N-bis(4-methoxybenzyl)pyrazolo[1,5-a]pyridine-3-carboxamide (I-54). 1H NMR (400 MHz, CDCl3) δ 8.09 (d, J=7.7 Hz, 1 H), 7.78 (s, 1 H), 7.32-7.27 (m, 1H), 7.18 (d, J=8.5 Hz, 4 H), 7.14-7.09 (m, 1 H), 7.00-6.92 (m, 2 H), 6.89 (d, J=8.6 Hz, 4 H), 6.85 (s, 1 H), 6.15 (dd, J=2.7, 7.6 Hz, 1 H), 5.75 (bs, 1 H), 5.54 (bs, 1 H), 5.05 (d, J=7.7 Hz, 1 H), 4.72 (d, J=15.7 Hz, 2 H), 4.51 (d, J=15.8 Hz, 2 H), 4.04-3.97 (m, 1H), 3.88-3.82 (m, 1 H), 3.81 (s, 6 H), 3.23-3.11 (m, 1 H), 2.87-2.73 (m, 1 H), 2.19 (ddd, J=1.4, 6.5, 12.3 Hz, 1 H). MS m/z 608.3 (M+1)+.

Aufarbeitung

  1. waitfollowed by room temperature for 1 hour
  2. concentrationThe reaction was concentrated to dryness
  3. customthe residue was partitioned between EtOAc and H2O
  4. extractionThe aqueous layer was extracted twice with EtOAc
  5. dry with materialthe combined organics were dried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe residue was purified by silica chromatography with EtOAc/hexane gradient as eluent

Quellen und Nachweise

ORD-Eintrag
ord-e788eaf700ca422eb0204ac819964154
Quelldatensatz
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09102671B2

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