Dichloromethane → 3-cyclopropyl-3-(4-(3-iodo-7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)propanenitrile

HRID 1852978Notes

Reaction equation

HRID 1852978 reaction equation
[CH:1]1([CH:4]([N:8]2[CH:12]=[C:11]([C:13]3[N:18]4[CH:19]=[CH:20][N:21]=[C:17]4[CH:16]=[C:15]([C:22]4[CH:23]=[N:24][N:25]([CH3:27])[CH:26]=4)[N:14]=3)[CH:10]=[N:9]2)[CH2:5][C:6]#[N:7])[CH2:3][CH2:2]1.[I:28]N1C(=O)CCC1=O.C(Cl)Cl>CCOC(C)=O>[CH:1]1([CH:4]([N:8]2[CH:12]=[C:11]([C:13]3[N:18]4[C:19]([I:28])=[CH:20][N:21]=[C:17]4[CH:16]=[C:15]([C:22]4[CH:23]=[N:24][N:25]([CH3:27])[CH:26]=4)[N:14]=3)[CH:10]=[N:9]2)[CH2:5][C:6]#[N:7])[CH2:3][CH2:2]1

Participants

5

Reactant 3

HCID 6344DichloromethaneHCID 120273N-IodosuccinimideHCID 534974533-cyclopropyl-3-(4-(7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)propanenitrile

Product 1

HCID 866853053-cyclopropyl-3-(4-(3-iodo-7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)propanenitrileYield 75.7%

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Procedure

3-cyclopropyl-3-(4-(7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)propanenitrile (Example 2; 84.6 mg, 0.236 mmol) and 1-iodopyrrolidine-2,5-dione (79.7 mg, 0.354 mmol) were suspended in DCM (2.36 mL, 0.236 mmol) and stirred at ambient temperature for 15 hours. The reaction mixture was diluted in EtOAc and washed with saturated sodium bicarbonate and brine. The organic layer was dried with MgSO4, filtered and concentrated in vacuo. Purification of the resulting crude material by silica chromatography using 0-5% MeOH/EtOAc gradient afforded 3-cyclopropyl-3-(4-(3-iodo-7-(1-methyl-1H-pyrazol-4-yl)imidazo[1,2-c]pyrimidin-5-yl)-1H-pyrazol-1-yl)propanenitrile (86.5 mg, 75.7% yield). MS (apci) m/z=485.2 (M+H).

Workup

  1. washwashed with saturated sodium bicarbonate and brine
  2. dry with materialThe organic layer was dried with MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customPurification of the resulting crude material by silica chromatography

Sources & evidence

ORD record
ord-7196752598b84a2abf7c664b8539365f
Source dataset
uspto-grants-2015_02
Patent number
US08962596B2

Reaction notes

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