Chloride → 4-Chloromethyl-2-(3,4,5-trimethoxyphenyl) pyridine
Reaction equation
O[CH2:2][C:3]1[CH:8]=[CH:7][N:6]=[C:5]([C:9]2[CH:14]=[C:13]([O:15][CH3:16])[C:12]([O:17][CH3:18])=[C:11]([O:19][CH3:20])[CH:10]=2)[CH:4]=1.[Cl-:21]>C(Cl)(Cl)Cl>[Cl:21][CH2:2][C:3]1[CH:8]=[CH:7][N:6]=[C:5]([C:9]2[CH:14]=[C:13]([O:15][CH3:16])[C:12]([O:17][CH3:18])=[C:11]([O:19][CH3:20])[CH:10]=2)[CH:4]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
4-hydroxymethyl-2-(3,4,5-trimethoxyphenyl)pyridine (19.18 g) was dissolved in chloroform (100 mL), and to the solution thinly chloride (10.2 mL) was added at 0° C. After 30 minutes, the mixture was warmed to room temperature and stirred for 4 hours. The reaction mixture was washed with aqaueous saturated sodium hydrogendcarbonate and brine, dried over anhydrous sodium sulfate and evaporated. The residue was then recrystallized from ethyl acetate-hexane to give the title compound as pale yellow crystalline powder.
Workup
- washThe reaction mixture was washed with aqaueous saturated sodium hydrogendcarbonate and brine
- dry with materialdried over anhydrous sodium sulfate
- customevaporated
- customThe residue was then recrystallized from ethyl acetate-hexane
Sources & evidence
- ORD record
- ord-043392e7ce534f2fb978232d23271a64
- Source dataset
- uspto-grants-2003_08
- Patent number
- US06605620B1
Reaction notes
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