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Potassium Carbonate → (R)-2-(4-cyano-2-fluoro-5-(3-methylisothiazol-5-ylamino)phenylamino)-2-cyclopropylacetamide

HRID 2201103
Notes
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Reaction equation

HRID 2201103 reaction equation
Br[C:2]1[C:3]([C:17]#[N:18])=[CH:4][C:5]([F:16])=[C:6]([NH:8][C@H:9]([CH:13]2[CH2:15][CH2:14]2)[C:10]([NH2:12])=[O:11])[CH:7]=1.Cl.[NH2:20][C:21]1[S:25][N:24]=[C:23]([CH3:26])[CH:22]=1.C([O-])([O-])=O.[K+].[K+].C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1>O1CCOCC1.CC([O-])=O.CC([O-])=O.[Pd+2]>[C:17]([C:3]1[C:2]([NH:20][C:21]2[S:25][N:24]=[C:23]([CH3:26])[CH:22]=2)=[CH:7][C:6]([NH:8][C@H:9]([CH:13]2[CH2:15][CH2:14]2)[C:10]([NH2:12])=[O:11])=[C:5]([F:16])[CH:4]=1)#[N:18]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 11430Potassium CarbonateHCID 634876Binap, (A+-)-HCID 27239183-Methylisothiazol-5-ylamine hydrochlorideHCID 67509451(R)-2-(5-bromo-4-cyano-2-fluorophenylamino)-2-cyclopropylacetamide

Product 1

HCID 67508988(R)-2-(4-cyano-2-fluoro-5-(3-methylisothiazol-5-ylamino)phenylamino)-2-cyclopropylacetamideYield 39.6%

Reagents, catalysts & solvents 2

HCID 167845palladium(II) acetateCatalystHCID 312751,4-DioxaneSolvent

Procedure

A mixture of (R)-2-(5-bromo-4-cyano-2-fluorophenylamino)-2-cyclopropylacetamide (87 mg, 0.278 mmol), 5-amino-3-methylisothiazole hydrochloride (63 mg, 0.418 mmol), K2CO3 (120 mg, 0.869 mmol), BINAP (40 mg, 0.064 mmol) and Pd(OAc)2 (20 mg, 0.089 mmol) in dioxane (2 mL) was degassed with argon, then was stirred at 120 C for 18 h. The mixture was concentrated in vacuo. The residue was purified by HPLC to give (R)-2-(4-cyano-2-fluoro-5-(3-methylisothiazol-5-ylamino)phenylamino)-2-cyclopropylacetamide (38 mg).

Workup

  1. customwas degassed with argon
  2. concentrationThe mixture was concentrated in vacuo
  3. customThe residue was purified by HPLC

Sources & evidence

ORD record
ord-71cd7479abc24dd5934cfb07c656033b
Source dataset
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09359375B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes