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Pyridine → Methyl 3-(cyclopropyl(methyl)amino)-2-(trifluoromethylsulfonyloxy)quinoxaline-6-carboxylate

HRID 1403394
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HRID 1403394 반응식
[CH:1]1([N:4]([CH3:20])[C:5]2[C:6](=[O:19])[NH:7][C:8]3[C:13]([N:14]=2)=[CH:12][C:11]([C:15]([O:17][CH3:18])=[O:16])=[CH:10][CH:9]=3)[CH2:3][CH2:2]1.N1C=CC=CC=1.[O:27](S(C(F)(F)F)(=O)=O)[S:28]([C:31]([F:34])([F:33])[F:32])(=O)=[O:29]>ClCCl>[CH:1]1([N:4]([CH3:20])[C:5]2[C:6]([O:19][S:28]([C:31]([F:34])([F:33])[F:32])(=[O:29])=[O:27])=[N:7][C:8]3[C:13]([N:14]=2)=[CH:12][C:11]([C:15]([O:17][CH3:18])=[O:16])=[CH:10][CH:9]=3)[CH2:2][CH2:3]1
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참가 물질

5

반응물 3

HCID 1049PyridineHCID 67749Trifluoromethanesulfonic anhydrideHCID 70654244Methyl 3-(cyclopropyl(methyl)amino)-2-oxo-1,2-dihydroquinoxaline-6-carboxylate

생성물 1

HCID 86670226Methyl 3-(cyclopropyl(methyl)amino)-2-(trifluoromethylsulfonyloxy)quinoxaline-6-carboxylate

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of methyl 3-(cyclopropyl(methyl)amino)-2-oxo-1,2-dihydroquinoxaline-6-carboxylate (120 mg, 0.44 mmol) in dichloromethane (10 mL) was added pyridine (135 mg, 1.71 mmol) and Tf2O (230 mg, 0.82 mmol) under nitrogen atmosphere. After stirring overnight at room temperature, the reaction was quenched by the addition water/ice (50 mL), extracted with dichloromethane (2×10 mL), dried over anhydrous magnesium sulfate and concentrated under vacuum to give methyl 3-(cyclopropyl(methyl)amino)-2-(trifluoromethylsulfonyloxy)quinoxaline-6-carboxylate as red oil (130 mg, crude).

후처리

  1. customthe reaction was quenched by the addition water/ice (50 mL)
  2. extractionextracted with dichloromethane (2×10 mL)
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under vacuum

출처 및 근거

ORD 기록
ord-4b6d0d53daf64dc6bbb6c4de55806d5e
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08912188B2

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