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Dichloromethane → dimethyl(2S,3S,5S)-5-tert-butoxy-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-1,3-dicarboxylate

HRID 61478
ノート
印刷プレビュー

反応式

HRID 61478 の反応式
[C:1]([O:5][C@@H:6]1[CH2:11][NH:10][C@H:9]([C:12]([N:14]2[CH2:19][CH2:18][N:17]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[CH2:16][CH2:15]2)=[O:13])[C@@H:8]([C:26]([O:28][CH3:29])=[O:27])[CH2:7]1)([CH3:4])([CH3:3])[CH3:2].C(Cl)Cl.Cl[C:34]([O:36][CH3:37])=[O:35]>CN(C)C1C=CN=CC=1>[C:1]([O:5][C@@H:6]1[CH2:11][N:10]([C:34]([O:36][CH3:37])=[O:35])[C@H:9]([C:12]([N:14]2[CH2:19][CH2:18][N:17]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[CH2:16][CH2:15]2)=[O:13])[C@@H:8]([C:26]([O:28][CH3:29])=[O:27])[CH2:7]1)([CH3:4])([CH3:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 6344DichloromethaneHCID 6586Methyl chloroformateHCID 67304371Methyl (2s,3s,5s)-5-tert-butoxy-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-3-carboxylate

生成物 1

HCID 67304316dimethyl(2S,3S,5S)-5-tert-butoxy-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-1,3-dicarboxylate

試薬・触媒・溶媒 1

HCID 142844-(Dimethylamino)pyridine
触媒

実験手順

To a mixture of methyl(2S,3S,5S)-5-tert-butoxy-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-3-carboxylate (0.03345 g, 8.290E-5 mol) and 4-dimethylaminopyridine (0.0152 g, 0.000124 mol) in methylene chloride (1.50 mL, 0.0234 mol) was added methyl chloroformate (0.00833 mL, 0.000108 mol). The reaction was stirred at rt overnight. After quenched with aq. sodium bicaronate, the reaction was extracted with ethyl acetate. The combined organic layers were washed with brine, dried, concentrated to dry. The resulting residue was used directly in next step. MS (ESI): (M+H)+=462.2.

後処理

  1. customAfter quenched with aq. sodium bicaronate
  2. extractionthe reaction was extracted with ethyl acetate
  3. washThe combined organic layers were washed with brine
  4. customdried
  5. concentrationconcentrated
  6. customto dry

出典と根拠

ORDレコード
ord-d4e3a1a9804049138007034ff1f6ec5a
出典データセット
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09440958B2

反応ノート

読み込み中…

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