5-Amino-3-methylisoxazole → (R)-2-(4-cyano-3-(3-methylisoxazol-5-ylamino)phenylamino)-4-methylpentanamide

HRID 2201043Notes

Reaction equation

HRID 2201043 reaction equation
Br[C:2]1[CH:3]=[C:4]([NH:10][C@H:11]([CH2:15][CH:16]([CH3:18])[CH3:17])[C:12]([NH2:14])=[O:13])[CH:5]=[CH:6][C:7]=1[C:8]#[N:9].[NH2:19][C:20]1[O:24][N:23]=[C:22]([CH3:25])[CH:21]=1.O.O.O.[O-]C1C=CC=CC=1.[Na+].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[C:8]([C:7]1[CH:6]=[CH:5][C:4]([NH:10][C@H:11]([CH2:15][CH:16]([CH3:18])[CH3:17])[C:12]([NH2:14])=[O:13])=[CH:3][C:2]=1[NH:19][C:20]1[O:24][N:23]=[C:22]([CH3:25])[CH:21]=1)#[N:9]

Participants

7

Reactant 4

HCID 845905-Amino-3-methylisoxazoleHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 23681143Sodium Phenoxide TrihydrateHCID 67509372(R)-2-(3-bromo-4-cyanophenylamino)-4-methylpentanamide

Product 1

HCID 67508850(R)-2-(4-cyano-3-(3-methylisoxazol-5-ylamino)phenylamino)-4-methylpentanamideYield 15.8%

Reagents, catalysts & solvents 2

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 312751,4-DioxaneSolvent

Procedure

A mixture of (R)-2-(3-bromo-4-cyanophenylamino)-4-methylpentanamide (120 mg, 0.387 mmol), 5-amino-3-methylisoxazole (60 mg, 0.612 mmol), sodium phenoxide trihydrate (100 mg, 0.588 mmol), xantphos (25 mg, 0.043 mmol) and Pd2(dba)3 (20 mg, 0.021 mmol) in dioxane (3 mL) was degassed with Ar, then was heated at 170 C for 15 min by microwave. It was concentrated in vacuo. The residue was purified by HPLC to give (R)-2-(4-cyano-3-(3-methylisoxazol-5-ylamino)phenylamino)-4-methylpentanamide (20 mg).

Workup

  1. customwas degassed with Ar
  2. temperaturewas heated at 170 C for 15 min by microwave
  3. concentrationIt was concentrated in vacuo
  4. customThe residue was purified by HPLC

Sources & evidence

ORD record
ord-43dbeeb0433343a2ba9a7895bc10168b
Source dataset
uspto-grants-2016_06
Patent number
US09359375B2

Reaction notes

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