Trimethylsilylacetylene → HCID 69349409, compound

HRID 1948279Notes

Reaction equation

HRID 1948279 reaction equation
I[C:2]1[N:7]=[CH:6][C:5]([CH2:8][N:9]2[CH:14]=[C:13]([C:15]3[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=3)[CH:12]=[CH:11][C:10]2=[O:23])=[CH:4][CH:3]=1.C(N(C(C)C)C(C)C)C.[CH3:33][Si:34]([C:37]#[CH:38])([CH3:36])[CH3:35]>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu]I.CN(C=O)C>[CH3:22][O:21][C:18]1[CH:19]=[CH:20][C:15]([C:13]2[CH:12]=[CH:11][C:10](=[O:23])[N:9]([CH2:8][C:5]3[CH:6]=[N:7][C:2]([C:38]#[C:37][Si:34]([CH3:36])([CH3:35])[CH3:33])=[CH:3][CH:4]=3)[CH:14]=2)=[CH:16][CH:17]=1

Participants

7

Reactant 3

HCID 66111TrimethylsilylacetyleneHCID 81531DiisopropylethylamineHCID 862293681-((6-Iodopyridin-3-yl)methyl)-5-(4-methoxyphenyl)pyridin-2(1H)-one

Product 1

HCID 69349409HCID 69349409, compoundYield 93.3%

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418476HCID 178418476, compoundCatalystHCID 6228DimethylformamideSolvent

Procedure

According to Scheme 33 Step 2: A mixture of 1-((6-iodopyridin-3-yl)methyl)-5-(4-methoxyphenyl)pyridin-2(1H)-one (0.48 mmol, 200 mg), PdCl2(PPh3)2 (33 μmol, 23 mg), CuI (24 μmol, 4.5 mg), iPr2EtN (0.99 mmol, 1.72 μl), trimethylsilylacetylene (1.43 mmol, 203 μL) and DMF (3 mL, previously deoxygenated) was stirred at room temperature for 2 hours. The solvent was evaporated under reduced pressure. The residue was purified in a manifold (vac.) using a Sep-Pak silica cartridge CH2Cl2/MeOH(NH3)sat. 3% yielding 5-(4-methoxyphenyl)-1-((6-(2-(trimethylsilyl)ethynyl)pyridin-3-yl)methyl)pyridin-2(1H)-one (174 mg, 93%).

Workup

  1. custompreviously deoxygenated)
  2. customThe solvent was evaporated under reduced pressure
  3. customThe residue was purified in a manifold (vac.)

Sources & evidence

ORD record
ord-9fd1087fd58947469aeda82205facf51
Source dataset
uspto-grants-2013_03
Patent number
US08399493B2

Reaction notes

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