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(2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-carbamoyl-3-ethyl-5,6-dihydropyridine-1(2H)-carboxylate → (2S,5R)-5-(N-(allyloxy)-2-nitrophenylsulfonamido)-3-ethyl-1,2,5,6-tetrahydropyridine-2-carboxamide

HRID 627225
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인쇄 미리보기

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HRID 627225 반응식
[CH2:1]([O:4][N:5]([C@H:18]1[CH2:23][N:22](C(OC(C)(C)C)=O)[C@H:21]([C:31](=[O:33])[NH2:32])[C:20]([CH2:34][CH3:35])=[CH:19]1)[S:6]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[N+:15]([O-:17])=[O:16])(=[O:8])=[O:7])[CH:2]=[CH2:3].C(ON([C@H]1CN[C@H](C(N)=O)C=C1C)S(C1C=CC=CC=1[N+]([O-])=O)(=O)=O)C=C>ClCCl>[CH2:1]([O:4][N:5]([C@H:18]1[CH2:23][NH:22][C@H:21]([C:31]([NH2:32])=[O:33])[C:20]([CH2:34][CH3:35])=[CH:19]1)[S:6]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[N+:15]([O-:17])=[O:16])(=[O:8])=[O:7])[CH:2]=[CH2:3]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 89852230(2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-carbamoyl-3-ethyl-5,6-dihydropyridine-1(2H)-carboxylate2회HCID 117940244(2S,5R)-5-(N-(allyloxy)-2-nitrophenylsulfonamido)-4-methyl-1,2,5,6-tetrahydropyridine-2-carboxamide

생성물 1

HCID 89852009(2S,5R)-5-(N-(allyloxy)-2-nitrophenylsulfonamido)-3-ethyl-1,2,5,6-tetrahydropyridine-2-carboxamide수율 75.2%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

실험 절차

The title compound was prepared from (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-carbamoyl-3-ethyl-5,6-dihydropyridine-1(2H)-carboxylate (Intermediate 212, 1.44 g, 2.82 mmol) following the procedure described for Intermediate 21, except the reaction mixture was stirred over the weekend at room temperature. The reaction mixture was diluted with dichloromethane and washed with saturated sodium bicarbonate. An emulsion formed and the aqueous was extracted three to four more times with DCM. The organics were washed with brine, dried over magnesium sulfate, filtered and concentrated to afford the title compound (0.870 g, 75%) as a yellow foam.

후처리

  1. washwashed with saturated sodium bicarbonate
  2. customAn emulsion formed
  3. extractionthe aqueous was extracted three to four more times with DCM
  4. washThe organics were washed with brine
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-5827e09ed81e42f2bad0f2570b5e659f
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09309245B2

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