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2-(4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ol → (2R,3 S,5R)-5-((6-chloro-5-(4'-(2-hydroxypropan-2-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazo[4,5-b]pyridin-2-yl)oxy)-2-(hydroxymethyl)tetrahydro-2H-pyran-3-ol

HRID 1050260
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1050260
CC1(C)C(C)(C)OB([C:9]2[CH:14]=[CH:13][C:12]([C:15]([OH:18])([CH3:17])[CH3:16])=[CH:11][CH:10]=2)O1.Br[C:21]1[CH:26]=[CH:25][C:24]([C:27]2[N:32]=[C:31]3[N:33]=[C:34]([O:36][C@H:37]4[CH2:42][O:41][C@H:40]([CH2:43][OH:44])[C@@H:39]([OH:45])[CH2:38]4)[NH:35][C:30]3=[CH:29][C:28]=2[Cl:46])=[CH:23][CH:22]=1>O1CCOCC1.O.CCOC(C)=O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[Cl:46][C:28]1[CH:29]=[C:30]2[NH:35][C:34]([O:36][C@H:37]3[CH2:42][O:41][C@H:40]([CH2:43][OH:44])[C@@H:39]([OH:45])[CH2:38]3)=[N:33][C:31]2=[N:32][C:27]=1[C:24]1[CH:25]=[CH:26][C:21]([C:9]2[CH:10]=[CH:11][C:12]([C:15]([OH:18])([CH3:16])[CH3:17])=[CH:13][CH:14]=2)=[CH:22][CH:23]=1
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Komponenten

7

Edukt 2

HCID 591660132-(4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-olHCID 90044340(2R,3 S,5R)-5-((5-(4-bromophenyl)-6-chloro-1H-imidazo[4,5-b]pyridin-2-yl)oxy)-2-(hydroxymethyl)-tetrahydro-2H-pyran-3-ol

Produkt 1

HCID 73332558(2R,3 S,5R)-5-((6-chloro-5-(4'-(2-hydroxypropan-2-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazo[4,5-b]pyridin-2-yl)oxy)-2-(hydroxymethyl)tetrahydro-2H-pyran-3-ol

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
Katalysator
HCID 962WaterLösungsmittel2×
HCID 8857Ethyl AcetateLösungsmittel
HCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ol (50.4 mg, 0.192 mmol) and (2R,3 S,5R)-5-((5-(4-bromophenyl)-6-chloro-1H-imidazo[4,5-b]pyridin-2-yl)oxy)-2-(hydroxymethyl)-tetrahydro-2H-pyran-3-ol (70 mg, 0.154 mmol) were dissolved in dioxane (600 μl) and water (600 μl). The reaction mixture was sparged with N2 with 15 min and then [1,1′-Bis(Diphenylphosphino)-Ferrocene]Dichloropalladium (II) (22.53 mg, 0.031 mmol) was added. After stirring 3 h at 80° C., the reaction mixture was diluted with water and EtOAc. The aqueous phase was extracted with EtOAc (×2); and the combined extracts were washed with brine, dried over Na2SO4, filtered, and concentrated. The resulting residue was purified by mass directed reverse phase HPLC eluted with acetonitrile in water containing 0.1% formic acid. The desired fractions were combined and lyophilized to give the title compound as a white solid. LC-MS: calculated for C27H28ClN3O5 509.17 observed m/e: 509.87 (M+H)+ (Rt 1.12/2 min); 1H NMR δ (ppm) (CD3OD): 7.82 (s, 1H), 7.72 (s, 4H), 7.66 (d, 2H), 7.59 (d, 2H), 5.11 (septet, 1H), 4.34 (dd, 1H), 3.88 (dd, 1H), 3.66-3.59 (m, 2H), 3.37 (t, 1H), 3.18-3.15 (m, 1H), 2.76-2.74 (m, 1H), 1.68 (q, 1H), 1.58 (s, 6H).

Aufarbeitung

  1. customThe reaction mixture was sparged with N2 with 15 min
  2. extractionThe aqueous phase was extracted with EtOAc (×2)
  3. washand the combined extracts were washed with brine
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe resulting residue was purified by mass
  8. washeluted with acetonitrile in water containing 0.1% formic acid

Quellen und Nachweise

ORD-Eintrag
ord-ec60823b1ccc407ea96067378c603a92
Quelldatensatz
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09382243B2

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