Water → HCID 59634074, compound
Reaction equation
[H-].[Na+].[C:3]([O:11][CH2:12][CH3:13])(=[O:10])[CH2:4][C:5]([O:7][CH2:8][CH3:9])=[O:6].Cl[CH2:15][CH2:16][CH2:17][C:18]1[CH:23]=[CH:22][N:21]=[CH:20][CH:19]=1.O>CN(C=O)C>[N:21]1[CH:22]=[CH:23][C:18]([CH2:17][CH2:16][CH2:15][CH:4]([C:5]([O:7][CH2:8][CH3:9])=[O:6])[C:3]([O:11][CH2:12][CH3:13])=[O:10])=[CH:19][CH:20]=1Participants
6
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Procedure
To a suspension of NaH (0.4 g) in DMF (8 mL) was added diethyl malonate (0.16 g) at 0° C. The mixture was stirred at RT for 30 min. To the mixture was added a solution of 4-(3-chloropropyl)pyridine (1.2 g) prepared in (1) in DMF (4 mL). The reaction mixture was stirred at 80° C. for 10 hr. Water was added to the reaction mixture and the mixture was extracted with ethyl acetate. The organic layer was washed with water and brine, and then dried over Na2SO4. The solvent was removed under reduced pressure. The residue was purified by silica gel chromatography (Developing solvent: hexane/ethyl acetate=1/1) to give the title compound (1.3 g, 60%).
Workup
- stirringThe reaction mixture was stirred at 80° C. for 10 hr
- extractionthe mixture was extracted with ethyl acetate
- washThe organic layer was washed with water and brine
- dry with materialdried over Na2SO4
- customThe solvent was removed under reduced pressure
- customThe residue was purified by silica gel chromatography (Developing solvent: hexane/ethyl acetate=1/1)
Sources & evidence
- ORD record
- ord-5af2d81df40545d7b27dfc3ea82bbe94
- Source dataset
- uspto-grants-2014_07
- Patent number
- US08765739B2
Reaction notes
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