Triethylamine → 2-Nitro-5-(4-acetylamino-1-piperidyl)benzaldehyde dimethylacetal

HRID 1460677

반응식

HRID 1460677 반응식
[CH3:1][O:2][CH:3]([O:14][CH3:15])[C:4]1[CH:9]=[C:8](Cl)[CH:7]=[CH:6][C:5]=1[N+:11]([O-:13])=[O:12].Cl.[C:17]([NH:20][CH:21]1[CH2:26][CH2:25][NH:24][CH2:23][CH2:22]1)(=[O:19])[CH3:18].C(=O)([O-])[O-].[Na+].[Na+].C(N(CC)CC)C>CN1CCCC1=O.C(OCC)C>[CH3:1][O:2][CH:3]([O:14][CH3:15])[C:4]1[CH:9]=[C:8]([N:24]2[CH2:25][CH2:26][CH:21]([NH:20][C:17](=[O:19])[CH3:18])[CH2:22][CH2:23]2)[CH:7]=[CH:6][C:5]=1[N+:11]([O-:13])=[O:12]

참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 10340Sodium CarbonateHCID 35700934-Chloro-2-(dimethoxymethyl)-1-nitrobenzeneHCID 114011054-Acetamidopiperidine dihydrochloride

생성물 1

HCID 190868632-Nitro-5-(4-acetylamino-1-piperidyl)benzaldehyde dimethylacetal

시약·촉매·용매 2

HCID 3283Diethyl Ether용매HCID 13387N-methyl-2-pyrrolidone용매

반응 조건

온도
120 °C

실험 절차

12 Grams of 2-nitro-5-chlorobenzaldehyde dimethyl acetal, 16.3 g of 4-acetylaminopiperidine hydrochloride, 13.7 g of sodium carbonate and 13 ml of triethylamine in 150 ml of N-methylpyrrolidone solution were mixed together and reacted by heating at 120° C. for 12 hours with stirring under nitrogen gas stream. After the reaction was completed, the solvent was removed by evaporation and thus obtained residue was added with water and extracted with dichloromethane, then the extract was washed with water and with an aqueous solution saturated with sodium chloride, then dried with anhydrous sodium sulfate. The solvent was removed by evaporation and the residue thus obtained was added with diethyl ether, then the crystals formed were collected by filtration to yield 11.2 g of 2-nitro-5-(4-acetylamino-1-piperidyl)benzaldehyde dimethylacetal.

후처리

  1. customreacted
  2. customthe solvent was removed by evaporation and thus obtained residue
  3. additionwas added with water
  4. extractionextracted with dichloromethane
  5. washthe extract was washed with water and with an aqueous solution saturated with sodium chloride
  6. dry with materialdried with anhydrous sodium sulfate
  7. customThe solvent was removed by evaporation
  8. customthe residue thus obtained
  9. customthe crystals formed
  10. filtrationwere collected by filtration

출처 및 근거

ORD 기록
ord-e7b59a19a41b4d7ebe38ae913abb3b0a
출처 데이터셋
uspto-grants-1991_12
특허 번호
US05071856

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