Water → HCID 86595204, compound

HRID 1793773Notes

Reaction equation

HRID 1793773 reaction equation
C[O:2][CH:3](OC)/[CH:4]=[CH:5]/[CH:6]=[CH:7][CH2:8]/[CH:9]=[CH:10]\[CH2:11][CH3:12].O>CC(C)=O.CCOCC>[CH:3](=[O:2])/[CH:4]=[CH:5]/[CH:6]=[CH:7][CH2:8]/[CH:9]=[CH:10]\[CH2:11][CH3:12]

Participants

5

Procedure

To a solution of 9.8 g of a mixture of (2E,7Z)-1,1-dimethoxy-2,4,7-decatriene as obtained in example 1 (50 mmoles) and 2.7 ml of water (150 mmoles) in 150 ml of acetone were added 0.2 g of AMBERLITE®, and the reaction mixture so obtained was stirred for 1 hour at room temperature. Afterwards, the reaction mixture was filtered and neutralized with 1 ml of a saturated aqueous solution of NaHCO3, and then concentrated. The crude product thus obtained was dissolved in Et2O and the organic phase has been washed twice with brine, dried over Na2SO4 and concentrated to yield 8.8 g of an extract. The extract has been further purified by distillation over a Vigreux column (52–54° C./0.1 mbar) to yield 7.2 g of a mixture of (2E,7Z)-2,4,7-decatrienal (4Z:4E=88:8)(purity=96%, yield=96%). The product thus obtained had the same spectroscopic data as described in WO 01/58282.

Workup

  1. additionwere added 0.2 g of AMBERLITE®
  2. customthe reaction mixture so obtained
  3. filtrationAfterwards, the reaction mixture was filtered
  4. concentrationconcentrated
  5. customThe crude product thus obtained
  6. washthe organic phase has been washed twice with brine
  7. dry with materialdried over Na2SO4
  8. concentrationconcentrated
  9. customto yield 8.8 g of an extract
  10. distillationThe extract has been further purified by distillation over a Vigreux column (52–54° C./0.1 mbar)

Sources & evidence

ORD record
ord-e92881210cfc401a8b923721ea97c6e4
Source dataset
uspto-grants-2006_04
Patent number
US07022665B2

Reaction notes

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