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Quipazine → Ethyl 2-[5-(4-quinolin-2-ylpiperazin-1-yl)pentanoylamino]cyclohex-1-enecarboxylate

HRID 1714771
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반응식

HRID 1714771 반응식
Br[CH2:2][CH2:3][CH2:4][CH2:5][C:6]([NH:8][C:9]1[CH2:14][CH2:13][CH2:12][CH2:11][C:10]=1[C:15]([O:17][CH2:18][CH3:19])=[O:16])=[O:7].[N:20]1([C:26]2[CH:35]=[CH:34][C:33]3[C:28](=[CH:29][CH:30]=[CH:31][CH:32]=3)[N:27]=2)[CH2:25][CH2:24][NH:23][CH2:22][CH2:21]1.C(N(CC)CC)C>C1(C)C=CC=CC=1>[N:27]1[C:28]2[C:33](=[CH:32][CH:31]=[CH:30][CH:29]=2)[CH:34]=[CH:35][C:26]=1[N:20]1[CH2:25][CH2:24][N:23]([CH2:2][CH2:3][CH2:4][CH2:5][C:6]([NH:8][C:9]2[CH2:14][CH2:13][CH2:12][CH2:11][C:10]=2[C:15]([O:17][CH2:18][CH3:19])=[O:16])=[O:7])[CH2:22][CH2:21]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 5011QuipazineHCID 8471TriethylamineHCID 23155883Ethyl 2-(5-bromopentanoylamino)cyclohex-1-enecarboxylate

생성물 1

HCID 23155633Ethyl 2-[5-(4-quinolin-2-ylpiperazin-1-yl)pentanoylamino]cyclohex-1-enecarboxylate수율 86%

시약·촉매·용매 1

HCID 1140Toluene용매

실험 절차

In 350 ml of toluene, 66.5 g of ethyl 2-(5-bromopentanoylamino)cyclohex-1-enecarboxylate as synthesized in above Step 4-1-B, 46.9 g of 2-piperazin-1-ylquinoline and 22.3 g of triethylamine were dissolved and heated under reflux for an overnight. The solvent was distilled off under reduced pressure, and ethyl acetate was added to the residue, followed by washing with saturated aqueous sodium hydrogencarbonate solution. The organic layer was dried over anhydrous magnesium sulfate, and from which the solvent was distilled off under reduced pressure. Purifying the residue on silica gel column chromatography (n-hexane:ethyl acetate:methanol=1:6:0.2) to provide 79.8 g (86%) of ethyl 2-[5-(4-quinolin-2-ylpiperazin-1-yl)pentanoylamino]cyclohex-1-enecarboxylate.

후처리

  1. dissolutionwere dissolved
  2. temperatureheated
  3. temperatureunder reflux for an overnight
  4. distillationThe solvent was distilled off under reduced pressure, and ethyl acetate
  5. additionwas added to the residue
  6. washby washing with saturated aqueous sodium hydrogencarbonate solution
  7. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  8. distillationfrom which the solvent was distilled off under reduced pressure
  9. customPurifying the residue on silica gel column chromatography (n-hexane:ethyl acetate:methanol=1:6:0.2)

출처 및 근거

ORD 기록
ord-390e2549fd5a471fbfe81cbd08d9a018
출처 데이터셋
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07799775B2

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