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tert-Butyl piperazine-1-carboxylate → Tert-butyl 4-(2-(7-methoxy-4-methyl-2-oxoquinolin-1(2h)-yl)ethyl)piperazine-1-carboxylate

HRID 2193095
ノート
印刷プレビュー

反応式

HRID 2193095 の反応式
[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([CH3:17])=[CH:8][C:9](=[O:16])[N:10]2[CH2:13][CH:14]=O)=[CH:5][CH:4]=1.[N:18]1([C:24]([O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[O:25])[CH2:23][CH2:22][NH:21][CH2:20][CH2:19]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>C(O)(=O)C.C(Cl)(Cl)Cl>[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([CH3:17])=[CH:8][C:9](=[O:16])[N:10]2[CH2:13][CH2:14][N:21]2[CH2:20][CH2:19][N:18]([C:24]([O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[O:25])[CH2:23][CH2:22]2)=[CH:5][CH:4]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 59397837(7-methoxy-4-methyl-2-oxoquinolin-1(2H)-yl)acetaldehyde

生成物 1

HCID 67538385Tert-butyl 4-(2-(7-methoxy-4-methyl-2-oxoquinolin-1(2h)-yl)ethyl)piperazine-1-carboxylate

試薬・触媒・溶媒 2

HCID 176
Acetic Acid
溶媒
HCID 6212Chloroform溶媒

実験手順

Into 5 mL of chloroform, (7-methoxy-4-methyl-2-oxoquinolin-1(2H)-yl)acetaldehyde was dissolved, thereto were added 135 mg of tert-butyl piperazine-1-carboxylate and 43.6 mg of acetic acid, and the mixture was stirred at room temperature for 1 hour. The reaction mixture was added with 231 mg of sodium triacetoxyborohydride, and stirred for 1 hour. Thereto was added an aqueous saturated sodium hydrogen carbonate solution, and the organic layer was separated. The organic layer was washed with an aqueous saturated sodium chloride solution and dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. The residue thus obtained was purified by silica gel column chromatography [silica gel; Silica gel 60N manufactured by Kanto Chemical Co., Inc., eluent; ethyl acetate] to obtain 173 mg of a yellow oily substance, tert-butyl 4-(2-(7-methoxy-4-methyl-2-oxoquinolin-1(2H)-yl)ethyl)piperazine-1-carboxylate.

後処理

  1. stirringstirred for 1 hour
  2. customthe organic layer was separated
  3. washThe organic layer was washed with an aqueous saturated sodium chloride solution
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customthe solvent was removed under reduced pressure
  6. customThe residue thus obtained
  7. customwas purified by silica gel column chromatography [silica gel; Silica gel 60N manufactured by Kanto Chemical Co., Inc., eluent; ethyl acetate]

出典と根拠

ORDレコード
ord-6381b961af374f56af8bffef8cdfbf4f
出典データセット
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08329694B2

反応ノート

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