Sulfuryl chloride → 6-Bromo-8-chloro-7-isopropoxy-2,2-dimethyl-chroman-4-one
Reaction equation
[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1[O:12][CH:13]([CH3:15])[CH3:14])[O:8][C:7]([CH3:17])([CH3:16])[CH2:6][C:5]2=[O:18].S(Cl)([Cl:22])(=O)=O>ClCCl>[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[C:10]([Cl:22])[C:11]=1[O:12][CH:13]([CH3:14])[CH3:15])[O:8][C:7]([CH3:16])([CH3:17])[CH2:6][C:5]2=[O:18]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Following General Procedure B, 6-bromo-7-isopropoxy-2,2-dimethyl-chroman-4-one, (Compound 6, 2.2 g, 7.0 mmol) and sulfuryl chloride (0.84 mL, 10.5 mmol) in dichloromethane were reacted to yield the title compound as white trapezoidal plates after recrystallization from hexanes.
Workup
- customwere reacted
Sources & evidence
- ORD record
- ord-70fe9f8c19564365a39bda179e28725f
- Source dataset
- uspto-grants-2005_05
- Patent number
- US06887896B1
Reaction notes
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