Sodium Iodide → 2-iodo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide

HRID 245969Notes

Reaction equation

HRID 245969 reaction equation
[I-:1].[Na+].[C:3]([CH:5]1[CH2:8][N:7]([C:9](=[O:33])[C@H:10]([NH:12][C:13]([C:15]2[C:23]3[C:18](=[N:19][CH:20]=[C:21](Br)[N:22]=3)[N:17]([CH2:25][O:26][CH2:27][CH2:28][Si:29]([CH3:32])([CH3:31])[CH3:30])[CH:16]=2)=[O:14])[CH3:11])[CH2:6]1)#[N:4].CN[C@@H]1CCCC[C@H]1NC>[Cu]I.O1CCOCC1>[C:3]([CH:5]1[CH2:8][N:7]([C:9](=[O:33])[C@H:10]([NH:12][C:13]([C:15]2[C:23]3[C:18](=[N:19][CH:20]=[C:21]([I:1])[N:22]=3)[N:17]([CH2:25][O:26][CH2:27][CH2:28][Si:29]([CH3:32])([CH3:31])[CH3:30])[CH:16]=2)=[O:14])[CH3:11])[CH2:6]1)#[N:4]

Participants

6

Reactant 3

HCID 5238Sodium IodideHCID 2733821trans-N,N'-dimethyl-1,2-cyclohexanediamineHCID 584386122-Bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]amide

Product 1

HCID 866779282-iodo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide

Reagents, catalysts & solvents 2

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 312751,4-DioxaneSolvent

Conditions

Temperature
110 °C

Procedure

In a 5 mL microwave vial were placed copper(I) iodide (6 mg, 0.03 mmol), sodium iodide (133 mg, 0.89 mmol), 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide (150 mg, 0.30 mmol), 1,4-dioxane (1 mL) and trans-N,N′-dimethylcyclohexane-1,2-diamine (9 mg, 0.06 mmol). The vial was purged with a stream of nitrogen then sealed and heated in an oil bath at 110° C. for 48 h. The reaction mixture was cooled to room temperature and quenched with sat'd aqueous NH4OH (3 mL) then diluted with water and extracted with CH2Cl2. The organics were dried over MgSO4 and concentrated to afford 2-iodo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide as a maroon oil which was used without further purification.

Workup

  1. customThe vial was purged with a stream of nitrogen
  2. customthen sealed
  3. temperatureThe reaction mixture was cooled to room temperature
  4. customquenched with sat'd aqueous NH4OH (3 mL)
  5. additionthen diluted with water
  6. extractionextracted with CH2Cl2
  7. dry with materialThe organics were dried over MgSO4
  8. concentrationconcentrated

Sources & evidence

ORD record
ord-8556378145fc4d6e94aa134f2b7776d1
Source dataset
uspto-grants-2014_02
Patent number
US08658646B2

Reaction notes

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