Dimethylformamide diethylacetal → 3-Dimethylamino-1-(2-chloro4-pyridyl)-2-propen-1-one

HRID 2154

반응식

HRID 2154 반응식
[C:1]([C:4]1[CH:9]=[CH:8][N:7]=[C:6]([Cl:10])[CH:5]=1)(=[O:3])[CH3:2].C(O[CH:14](OCC)[N:15]([CH3:17])[CH3:16])C>>[CH3:14][N:15]([CH3:17])[CH:16]=[CH:2][C:1]([C:4]1[CH:9]=[CH:8][N:7]=[C:6]([Cl:10])[CH:5]=1)=[O:3]

참가 물질

3

반응물 2

HCID 70913Dimethylformamide diethylacetalHCID 131452551-(2-Chloropyridin-4-yl)ethan-1-one

생성물 1

HCID 544350393-Dimethylamino-1-(2-chloro4-pyridyl)-2-propen-1-one

실험 절차

16.2 g (104.2 mmol) of 4-acetyl-2-chloro-pyridine are stirred at 110° with 116 ml of dimethylformamide diethylacetal for 1 h. Cooling to 0°, filtering and drying at 60° under HV give 3-dimethylamino-1-(2-chloro-4-pyridyl)-2-propen-1-one; 1H-NMR (dimethyl sulfoxide): 2.98 (3H,s), 3.2 (3H,s), 5.9 (1H,d), 7.8 (3H,m), 8.5 (1H

후처리

  1. temperatureCooling to 0°
  2. filtrationfiltering
  3. customdrying at 60° under HV

출처 및 근거

ORD 기록
ord-17f4a6bed6804e1a87ae17bb1cfb5ad3
출처 데이터셋
uspto-grants-1998_03
특허 번호
US05728708

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