2-Chloro-5-nitropyridine → HCID 4418042, 화합물
반응식
Cl[C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[CH:4][N:3]=1>C(NCC)C.C(Cl)Cl>[CH2:2]([N:3]([CH2:4][CH3:5])[C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[CH:4][N:3]=1)[CH3:7]참가 물질
4
실험 절차
A stirred mixture of 27.6 g (0.174 mole) of 2-chloro-5-nitropyridine in 500 ml of diethylamine was heated at reflux for two days. The excess diethylamine was removed by distillation under reduced pressure, leaving a residue. This residue was dissolved in methylene chloride, and the organic solution was washed with an aqueous, 10% sodium hydroxide solution. The washed organic phase was dried over anhydrous magnesium sulfate and was filtered. The filtrate was evaporated under reduced pressure to yield 33.2 g of 2-diethylamino-5-nitropyridine as a solid. The nmr spectrum was consistent with the proposed structure.
후처리
- temperaturewas heated
- temperatureat reflux for two days
- customThe excess diethylamine was removed by distillation under reduced pressure
- customleaving a residue
- washthe organic solution was washed with an aqueous, 10% sodium hydroxide solution
- dry with materialThe washed organic phase was dried over anhydrous magnesium sulfate
- filtrationwas filtered
- customThe filtrate was evaporated under reduced pressure
출처 및 근거
- ORD 기록
- ord-1cf74df28d19415a9555a9df54a325cc
- 출처 데이터셋
- uspto-grants-1994_05
- 특허 번호
- US05310724
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