N-Iodosuccinimide → 6-Ethyl-5-iodopyrimidin-4(1H)-one

HRID 632876Notes

Reaction equation

HRID 632876 reaction equation
[OH:1][C:2]1[CH:7]=[C:6]([CH2:8][CH3:9])[N:5]=[CH:4][N:3]=1.C1C(=O)N([I:17])C(=O)C1>C(O)(=O)C>[CH2:8]([C:6]1[N:5]=[CH:4][NH:3][C:2](=[O:1])[C:7]=1[I:17])[CH3:9]

Participants

4

Reactant 2

HCID 120273N-IodosuccinimideHCID 178436949HCID 178436949, compound

Product 1

HCID 1357061486-Ethyl-5-iodopyrimidin-4(1H)-one

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

To a stirred solution of 70 g (0.56 mol) 4-hydroxy-6-ethyl pyrimidine in acetic acid is added 127 g (0.56 mol) NIS portion wise at RT within 15 min. The reaction is stirred for 30 h at RT until all starting material is consumed. The reaction mixture is diluted with water and the solid product is filtered off and washed with sodium thiosulfate solution to remove excess iodine. After drying, the desired product is obtained as a solid (90 g; 64%) which is used without further purification.

Workup

  1. customis consumed
  2. additionThe reaction mixture is diluted with water
  3. filtrationthe solid product is filtered off
  4. washwashed with sodium thiosulfate solution
  5. customto remove excess iodine
  6. customAfter drying

Sources & evidence

ORD record
ord-0ea8e1885d15413e877da5d126ea57b4
Source dataset
uspto-grants-2016_04
Patent number
US09321771B2

Reaction notes

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