Diethyl Ether → HCID 22731342, compound
Reaction equation
[Br:1][C:2]1[CH:3]=[C:4]([CH:13]=[O:14])[C:5]2[O:9][CH2:8][C:7]([CH3:11])([CH3:10])[C:6]=2[CH:12]=1.C(OCC)C.[CH:20]1([Mg]Cl)[CH2:25][CH2:24][CH2:23][CH2:22][CH2:21]1.C(OCC)(=O)C>CCCCCC>[Br:1][C:2]1[CH:3]=[C:4]([CH:13]([CH:20]2[CH2:25][CH2:24][CH2:23][CH2:22][CH2:21]2)[OH:14])[C:5]2[O:9][CH2:8][C:7]([CH3:11])([CH3:10])[C:6]=2[CH:12]=1Participants
6
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Procedure
Following General Procedure K and using 5-bromo-3,3-dimethyl-2,3-dihydrobenzofuran-7-carbaldehyde (Intermediate 30, 0.765 g, 3 mmol), 10 mL of anhydrous diethyl ether, and a 2M solution of cyclohexyl magnesium chloride solution in ether (3 mL, 6 mmol) followed by flash column chromatography using 10% ethyl acetate in hexane, the title compound was obtained (0.62 g, 61%).
Sources & evidence
- ORD record
- ord-579feeb74c05425a9cb24a8acfc2e5b5
- Source dataset
- uspto-grants-2004_04
- Patent number
- US06720423B2
Reaction notes
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