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Cyanogen Bromide → 3-[(S)-(3-{(1S)-1-[3-(5-amino-1,3,4-oxadiazol-2-yl)-5-fluorophenyl]-2-fluoro-2-methylpropyl}azetidin-1-yl)(4-chlorophenyl)methyl]benzonitrile

HRID 602998
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Reaktionsgleichung

Reaktionsgleichung von HRID 602998
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C@@H:8]([C:29]2[CH:34]=[CH:33][CH:32]=[C:31]([C:35]#[N:36])[CH:30]=2)[N:9]2[CH2:12][CH:11]([C@@H:13]([C:18]3[CH:19]=[C:20]([CH:25]=[C:26]([F:28])[CH:27]=3)[C:21]([NH:23][NH2:24])=[O:22])[C:14]([F:17])([CH3:16])[CH3:15])[CH2:10]2)=[CH:4][CH:3]=1.C([O-])(O)=O.[Na+].[N:42]#[C:43]Br>O1CCOCC1.O>[NH2:42][C:43]1[O:22][C:21]([C:20]2[CH:19]=[C:18]([C@H:13]([CH:11]3[CH2:12][N:9]([C@@H:8]([C:5]4[CH:4]=[CH:3][C:2]([Cl:1])=[CH:7][CH:6]=4)[C:29]4[CH:30]=[C:31]([CH:32]=[CH:33][CH:34]=4)[C:35]#[N:36])[CH2:10]3)[C:14]([F:17])([CH3:16])[CH3:15])[CH:27]=[C:26]([F:28])[CH:25]=2)=[N:23][N:24]=1
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Komponenten

6

Edukt 3

HCID 10476Cyanogen BromideHCID 516892Sodium BicarbonateHCID 670553323-((1S)-1-{1-[(S)-(4-chlorophenyl)(3-cyanophenyl)methyl]azetidin-3-yl}-2-fluoro-2-methylpropyl)-5-fluorobenzohydrazide

Produkt 1

HCID 667056803-[(S)-(3-{(1S)-1-[3-(5-amino-1,3,4-oxadiazol-2-yl)-5-fluorophenyl]-2-fluoro-2-methylpropyl}azetidin-1-yl)(4-chlorophenyl)methyl]benzonitrile

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittel
HCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

To a mixture of 53 mg (0.104 mmol) of 3-((1S)-1-{1-[(S)-(4-chlorophenyl)(3-cyanophenyl) methyl]azetidin-3-yl}-2-fluoro-2-methylpropyl)-5-fluorobenzohydrazide in 3 mL of dioxane, 11.4 mg (0.135 mmol) of NaHCO3 in 1 mL of water was added 13 mg (0.125 mmol) cyanogen bromide and the solution was stirred at rt. After 2.5 h, it was concentrated to remove solvents. The residue was dissolved in 20 mL of CH2Cl2 and 5 mL of water and the pH was adjusted to 7-8 with aq NaHCO3. The aqueous layer was extracted with CH2Cl2, and the combined organic layer was concentrated. The residue was purified by silica gel chromatography with CH2Cl2/acetone to afford the title compound as a white solid; 1H-NMR (CDCl3) δ 1.22(d, 3H, J=22 Hz), 1.28(d, 3H, J=22 Hz), 2.34 (br, 1H) 2.88 (br, 1H), 2.96 (m, 1H), 3.10 (dr, 1H), 3.24 (m, 1H), 3.63 (br, 1H), 4.27 (s, 1H), 5.50(s, 2H), 7.01-7.66 (m, 11H); Mass Spectrum: m/e=534 (M+1, 35Cl), 536 (M+1, 37Cl).

Aufarbeitung

  1. concentrationit was concentrated
  2. customto remove solvents
  3. dissolutionThe residue was dissolved in 20 mL of CH2Cl2
  4. extractionThe aqueous layer was extracted with CH2Cl2
  5. concentrationthe combined organic layer was concentrated
  6. customThe residue was purified by silica gel chromatography with CH2Cl2/acetone

Quellen und Nachweise

ORD-Eintrag
ord-0cfabaf554cd443b8a058e0d2d1cade3
Quelldatensatz
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07906652B2

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