Hydrogen Peroxide → 65973-24-2

HRID 1450357Notes

Reaction equation

HRID 1450357 reaction equation
[O:1]1[C:5]2([CH2:10][CH2:9][S:8][CH2:7][CH2:6]2)[O:4][CH2:3][CH2:2]1.[OH:11]O>C(O)(=O)C>[O:4]1[C:5]2([CH2:10][CH2:9][S:8](=[O:11])[CH2:7][CH2:6]2)[O:1][CH2:2][CH2:3]1

Participants

4

Procedure

A room temperature mixture of 13.8 g of product from Example 392 dissolved in 100 ml of acetic acid is treated, dropwise over 20 minutes, with 9.0 ml of 30% hydrogen peroxide. The reaction mixture is stirred at room temperature for 1 hour, concentrated in vacuo at 50° C., and extracted with ethyl acetate. The organic layer is washed 2× with saturated sodium bicarbonate, water and saturated sodium chloride, dried and concentrated in vacuo. The aqueous washes are combined and concentrated in vacuo to about 25 ml. The residue is saturated with solid potassium carbonate and extracted 2× with 200 ml of ethyl acetate. The organic phase is concentrated in vacuo to a solid which is triturated with hexane and collected to give 13.1 g of the desired product.

Workup

  1. concentrationconcentrated in vacuo at 50° C.
  2. extractionextracted with ethyl acetate
  3. washThe organic layer is washed 2× with saturated sodium bicarbonate, water and saturated sodium chloride
  4. customdried
  5. concentrationconcentrated in vacuo
  6. concentrationconcentrated in vacuo to about 25 ml
  7. extractionextracted 2× with 200 ml of ethyl acetate
  8. concentrationThe organic phase is concentrated in vacuo to a solid which
  9. customis triturated with hexane
  10. customcollected

Sources & evidence

ORD record
ord-6891d64847d64f1eb620db02bbfbd1e7
Source dataset
uspto-grants-1997_02
Patent number
US05602118

Reaction notes

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