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Sodium Carbonate → 3-(2-(4-fluorophenyl)-3-methylfuro[2,3-b]pyridin-5-yl)-N-(1-phenylcyclopropyl)benzamide

HRID 44075
Notes
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Reaction equation

HRID 44075 reaction equation
Br[C:2]1[C:10]2[C:5](=[N:6][CH:7]=[C:8]([C:11]3[CH:12]=[C:13]([CH:26]=[CH:27][CH:28]=3)[C:14]([NH:16][C:17]3([C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=4)[CH2:19][CH2:18]3)=[O:15])[CH:9]=2)[O:4][C:3]=1[C:29]1[CH:34]=[CH:33][C:32]([F:35])=[CH:31][CH:30]=1.[CH3:36]B1OB(C)OB(C)O1.C([O-])([O-])=O.[Na+].[Na+]>CN(C=O)C.O.CCOC(C)=O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:35][C:32]1[CH:31]=[CH:30][C:29]([C:3]2[O:4][C:5]3=[N:6][CH:7]=[C:8]([C:11]4[CH:12]=[C:13]([CH:26]=[CH:27][CH:28]=4)[C:14]([NH:16][C:17]4([C:20]5[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=5)[CH2:18][CH2:19]4)=[O:15])[CH:9]=[C:10]3[C:2]=2[CH3:36])=[CH:34][CH:33]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 3

HCID 10340Sodium CarbonateHCID 574072TrimethylboroxineHCID 672180313-(3-bromo-2-(4-fluorophenyl)furo[2,3-b]pyridin-5-yl)-N-(1-phenylcyclopropyl)benzamide

Product 1

HCID 672179323-(2-(4-fluorophenyl)-3-methylfuro[2,3-b]pyridin-5-yl)-N-(1-phenylcyclopropyl)benzamideYield 94.3%

Reagents, catalysts & solvents 4

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 962WaterSolvent
HCID 6228DimethylformamideSolvent
HCID 8857Ethyl AcetateSolvent

Procedure

Pd(Ph3P)4 (16 mg, 0.014 mmol) was added to a stirring solution of 3-(3-bromo-2-(4-fluorophenyl)furo[2,3-b]pyridin-5-yl)-N-(1-phenylcyclopropyl)benzamide (75 mg, 0.14 mmol), trimethylboroxine (40 μL, 0.28 mmol), and Na2CO3 (45 mg, 0.43 mmol) in DMF (1.3 mL) and Water (0.13 mL) at room temperature. It was subjected to microwave irradiation: 180° C. for 30 min. The mixture was diluted with EtOAc and washed with sat NaHCO3, and sat NaCl. The organic phase was dried over Na2SO4, filtered and concentrated was purified on silica gel (Biotage, EtOAc/hexanes gradient, fraction collection at λ=254 nm) to give the expected product 3-(2-(4-fluorophenyl)-3-methylfuro[2,3-b]pyridin-5-yl)-N-(1-phenylcyclopropyl)benzamide (61 mg, 0.132 mmol, 93% yield) consistent by LCMS. LC-MS retention time: 1.81 min; m/z (MH+): 463. LC data was recorded on a Shimadzu LC-10AS liquid chromatograph equipped with a Waters XBridge 5u C18 4.6×50 mm column using a SPD-10AV UV-Vis detector at a detector wave length of 220 nM. The elution conditions employed a flow rate of 5 ml/min, a gradient of 100% solvent A/0% solvent B to 0% solvent A/100% solvent B, a gradient time of 2 min, a hold time of 1 min, and an analysis time of 3 min where solvent A was 5% acetonitrile/95% H2O/10 mM ammonium acetate and solvent B was 5% H2O/95% acetonitrile/10 mM ammonium acetate. MS data was determined using a Micromass Platform for LC in electrospray mode.

Workup

  1. customirradiation
  2. washwashed
  3. dry with materialThe organic phase was dried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customwas purified on silica gel (Biotage, EtOAc/hexanes gradient, fraction collection at λ=254 nm)

Sources & evidence

ORD record
ord-62ba36e87b554c69a9ad37bfc00010e4
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08536338B2

Reaction notes

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