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Cesium fluoride → 5-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-3-{1-[4-(morpholin-4-ylcarbonyl)phenyl]-1H-1,2,3-triazol-4-yl}-1H-indazole

HRID 1520070
Notes
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Reaction equation

HRID 1520070 reaction equation
Br[C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][N:6]=[C:5]2[C:11]1[N:12]=[N:13][N:14]([C:16]2[CH:21]=[CH:20][C:19]([C:22]([N:24]3[CH2:29][CH2:28][O:27][CH2:26][CH2:25]3)=[O:23])=[CH:18][CH:17]=2)[CH:15]=1.[CH3:30][N:31]1[CH2:36][CH:35]=[C:34](B(O)O)[CH2:33][CH2:32]1.[F-].[Cs+]>O1CCOCC1.O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH3:30][N:31]1[CH2:32][CH:33]=[C:34]([C:2]2[CH:3]=[C:4]3[C:8](=[CH:9][CH:10]=2)[NH:7][N:6]=[C:5]3[C:11]2[N:12]=[N:13][N:14]([C:16]3[CH:21]=[CH:20][C:19]([C:22]([N:24]4[CH2:29][CH2:28][O:27][CH2:26][CH2:25]4)=[O:23])=[CH:18][CH:17]=3)[CH:15]=2)[CH2:35][CH2:36]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 25953Cesium fluorideHCID 53407231(1-Methyl-1,2,3,6-tetrahydropyridin-4-yl)boronic acidHCID 574046585-bromo-3-{1-[4-(morpholin-4-ylcarbonyl)phenyl]-1H-1,2,3-triazol-4-yl}-1H-indazole

Product 1

HCID 574071125-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-3-{1-[4-(morpholin-4-ylcarbonyl)phenyl]-1H-1,2,3-triazol-4-yl}-1H-indazole

Reagents, catalysts & solvents 3

HCID 178418476
HCID 178418476, compound
Catalyst
HCID 962WaterSolvent
HCID 312751,4-DioxaneSolvent

Conditions

Temperature
150 °C

Procedure

A suspension of {4-[4-(5-Bromo-1H-indazol-3-yl)-[1,2,3]triazol-1-yl]-phenyl}-morpholin-4-yl-methanone (150 mg; 0.33 mmol; 1.0 eq.), 1-Methyl-1,2,3,6-tetrahydropyridine-4-boronic acid, pinacol ester (Boron Molecular, 221 mg; 0.99 mmol; 3.0 eq.), PdCl2(PPh3)2 (23 mg; 0.03 mmol; 0.10 eq.), cesium fluoride (151 mg; 0.99 mmol; 3.0 eq.) in dioxane (3 mL) and water (1.5 mL) was degassed with nitrogen flow and heat in MW at 150° C. for 10 min. The reaction mixture was filtered through a celite pad, water was added to the filtrate. Aqueous phase was extracted three time with DCM using separators tubes. Combined organic phases were concentrated under reduced pressure and the crude was purified by flash chromatography on silica (DCM/MeOH, gradient from 100:0 to 90:10) to give the title compound as a yellow powder. 1H NMR (300 MHz, DMSO) δ 13.36 (brs, 1H), 9.39 (s, 1H), 8.31 (s, 1H), 8.15 (d, J=8.0 Hz, 2H), 7.78-7.47 (m, 4H), 6.32-6.11 (m, 1H), 3.84-3.49 (m, 6H), 3.46-3.25 (m, 2H), 3.11-2.98 (m, 2H), 2.71-2.58 (m, 4H), 2.30 (s, 3H). HPLC (Condition A): Rt 2.22 min (purity 94.5%). MS (ESI+): 470.3, MS (ESI−): 468.3.

Workup

  1. customwas degassed with nitrogen flow
  2. filtrationThe reaction mixture was filtered through a celite pad, water
  3. additionwas added to the filtrate
  4. extractionAqueous phase was extracted three time with DCM using separators tubes
  5. concentrationCombined organic phases were concentrated under reduced pressure
  6. customthe crude was purified by flash chromatography on silica (DCM/MeOH, gradient from 100:0 to 90:10)

Sources & evidence

ORD record
ord-3e460d96455e4a948afa56c7e6146294
Source dataset
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09073892B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes