4-Chloro-5-iodo-2-(methylthio)pyrimidine → (4-Chloro-2-methylsulfanyl-pyrimidin-5-yl)-(2-isopropyl-4,5-dimethoxy-phenyl)-methanol

HRID 2266071Notes

Reaction equation

HRID 2266071 reaction equation
[Cl:1][C:2]1[C:7](I)=[CH:6][N:5]=[C:4]([S:9][CH3:10])[N:3]=1.C([Mg]Br)(C)C.[CH:16]([C:19]1[CH:26]=[C:25]([O:27][CH3:28])[C:24]([O:29][CH3:30])=[CH:23][C:20]=1[CH:21]=[O:22])([CH3:18])[CH3:17]>C1COCC1>[Cl:1][C:2]1[C:7]([CH:21]([C:20]2[CH:23]=[C:24]([O:29][CH3:30])[C:25]([O:27][CH3:28])=[CH:26][C:19]=2[CH:16]([CH3:18])[CH3:17])[OH:22])=[CH:6][N:5]=[C:4]([S:9][CH3:10])[N:3]=1

Participants

5

Reactant 3

HCID 136365194-Chloro-5-iodo-2-(methylthio)pyrimidineHCID 541451142-Isopropyl-4,5-dimethoxy-benzaldehydeHCID 178418365HCID 178418365, compound

Product 1

HCID 59598617(4-Chloro-2-methylsulfanyl-pyrimidin-5-yl)-(2-isopropyl-4,5-dimethoxy-phenyl)-methanolYield 82%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 4-chloro-5-iodo-2-methylsulfanyl-pyrimidine (1.10 g, 3.9 mmol) in 20 mL THF at −40° C. was added isopropyl magnesium bromide (2.3 mL, 2 M in THF) ) over 5 minutes. After 30 minutes, 2-isopropyl-4,5-dimethoxy-benzaldehyde from step 3 (1.04 g, 4.6 mmol) was added and the solution was warmed to room temperature. The mixture was quenched by the addition of brine, and extracted with CH2Cl2. The combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. Purification via flash chromatography (ethyl acetate) afforded (4-chloro-2-methylsulfanyl-pyrimidin-5-yl)-(2-isopropyl-4,5-dimethoxy-phenyl)-methanol (1.168 g, 82%) as a light yellow solid.

Workup

  1. customThe mixture was quenched by the addition of brine
  2. extractionextracted with CH2Cl2
  3. dry with materialThe combined organic layers were dried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customPurification via flash chromatography (ethyl acetate)

Sources & evidence

ORD record
ord-a98ed37821654a72b796761bebdfc210
Source dataset
uspto-grants-2010_12
Patent number
US07858632B2

Reaction notes

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