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Trifluoroacetic acid → 1-[2-(4-Aminopiperidin-1-yl)ethyl]-2-oxo-1,2-dihydroquinoxaline-6-carbonitrile

HRID 1644492
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반응식

HRID 1644492 반응식
C(OC(=O)[NH:7][CH:8]1[CH2:13][CH2:12][N:11]([CH2:14][CH2:15][N:16]2[C:25]3[C:20](=[CH:21][C:22]([C:26]#[N:27])=[CH:23][CH:24]=3)[N:19]=[CH:18][C:17]2=[O:28])[CH2:10][CH2:9]1)(C)(C)C.C(O)(C(F)(F)F)=O>C(Cl)Cl.C(Cl)(Cl)Cl>[NH2:7][CH:8]1[CH2:13][CH2:12][N:11]([CH2:14][CH2:15][N:16]2[C:25]3[C:20](=[CH:21][C:22]([C:26]#[N:27])=[CH:23][CH:24]=3)[N:19]=[CH:18][C:17]2=[O:28])[CH2:10][CH2:9]1
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참가 물질

5

반응물 2

HCID 6422Trifluoroacetic acidHCID 86642658tert-butyl{1-[2-(6-cyano-2-oxoquinoxalin-1(2H)-yl)ethyl]piperidin-4-yl}carbamate2회

생성물 1

HCID 667741351-[2-(4-Aminopiperidin-1-yl)ethyl]-2-oxo-1,2-dihydroquinoxaline-6-carbonitrile수율 87.9%

시약·촉매·용매 2

HCID 6212Chloroform용매HCID 6344Dichloromethane용매

실험 절차

To a solution of tert-butyl{1-[2-(6-cyano-2-oxoquinoxalin-1(2H)-yl)ethyl]piperidin-4-yl}carbamate (Intermediate 198, 0.38 g) in methylene chloride (4 mL) was added at 0° C. TFA (2 mL). After 1 hour, the reaction was diluted with chloroform, washed with saturated solution of Na2CO3, dried (Na2SO4), filtered and concentrated yielding 0.25 g of crude product.

후처리

  1. washwashed with saturated solution of Na2CO3
  2. dry with materialdried (Na2SO4)
  3. filtrationfiltered
  4. concentrationconcentrated

출처 및 근거

ORD 기록
ord-722e0037c12248daa94a20d32d42a4b6
출처 데이터셋
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08124602B2

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