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Potassium Carbonate → N-[(1S,2S)-2-{[3-Cyclopropyl-5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-2-(2H-1,2,3-triazol-2-yl)benzamide

HRID 1750674
Notes
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Reaction equation

HRID 1750674 reaction equation
Cl[C:2]1[C:3]([NH:12][C@H:13]2[CH2:17][CH2:16][CH2:15][C@@H:14]2[NH:18][C:19](=[O:31])[C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=2[N:26]2[N:30]=[CH:29][CH:28]=[N:27]2)=[N:4][CH:5]=[C:6]([C:8]([F:11])([F:10])[F:9])[N:7]=1.[CH:32]1(B(O)O)[CH2:34][CH2:33]1.C(=O)([O-])[O-].[K+].[K+]>O1CCOCC1.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>[CH:32]1([C:2]2[C:3]([NH:12][C@H:13]3[CH2:17][CH2:16][CH2:15][C@@H:14]3[NH:18][C:19](=[O:31])[C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=3[N:26]3[N:30]=[CH:29][CH:28]=[N:27]3)=[N:4][CH:5]=[C:6]([C:8]([F:11])([F:10])[F:9])[N:7]=2)[CH2:34][CH2:33]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 11430Potassium CarbonateHCID 2760897Cyclopropylboronic acidHCID 118308153N-[(1S,2S)-2-{[3-Chloro-5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-2-(2H-1,2,3-triazol-2-yl)benzamide2×

Product 1

HCID 118308162N-[(1S,2S)-2-{[3-Cyclopropyl-5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-2-(2H-1,2,3-triazol-2-yl)benzamide

Reagents, catalysts & solvents 2

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 312751,4-DioxaneSolvent

Procedure

A mixture of N-[(1S,2S)-2-{[3-chloro-5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]-2-(2H-1,2,3-triazol-2-yl)benzamide (Intermediate 29; 170 mg, 0.38 mmol), cyclopropylboronic acid (CAS number 411235-57-9; 97 mg, 1.13 mmol), potassium carbonate (aq. 2 M, 752 μl, 1.51 mmol) and tetrakis(triphenylphosphine)palladium (44 mg, 0.038 mmol) in 1,4-dioxane (1.3 ml) was sealed, purged and evacuated with nitrogen and then subjected to microwave irradiation 120° C. for 1 hour. The reaction was partitioned between ethyl acetate and water, washed with water, brine, dried over magnesium sulfate and concentrated in vacuo. This was then purified by reverse phase preparative HPLC (eluted with acetonitrile/water containing 0.1% ammonia) to afford the title compound.

Workup

  1. customwas sealed
  2. custompurged
  3. customevacuated with nitrogen
  4. customirradiation 120° C. for 1 hour
  5. customThe reaction was partitioned between ethyl acetate and water
  6. washwashed with water, brine
  7. dry with materialdried over magnesium sulfate
  8. concentrationconcentrated in vacuo
  9. customThis was then purified by reverse phase preparative HPLC (eluted with acetonitrile/water containing 0.1% ammonia)

Sources & evidence

ORD record
ord-350e67ee2df14ee983b229fb5cefa804
Source dataset
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09156829B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes