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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
ノート
印刷プレビュー

反応式

HRID 627225 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 89852230(2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-carbamoyl-3-ethyl-5,6-dihydropyridine-1(2H)-carboxylate2 回HCID 117940244(2S,5R)-5-(N-(allyloxy)-2-nitrophenylsulfonamido)-4-methyl-1,2,5,6-tetrahydropyridine-2-carboxamide

生成物 1

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

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-5827e09ed81e42f2bad0f2570b5e659f
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09309245B2

反応ノート

読み込み中…

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