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Sodium Bicarbonate → Methyl 1-(2-(1-(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)piperidin-4-ylamino)ethyl)-7-methoxy-2-oxo-1,2-dihydroquinoline-4-carboxylate

HRID 39870
ノート
印刷プレビュー

反応式

HRID 39870 の反応式
[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([C:17]([O:19][CH3:20])=[O:18])=[CH:8][C:9](=[O:16])[N:10]2[CH2:13][CH:14]=O)=[CH:5][CH:4]=1.[O:21]1[C:26]2[CH:27]=[CH:28][C:29]([CH2:31][N:32]3[CH2:37][CH2:36][CH:35]([NH2:38])[CH2:34][CH2:33]3)=[CH:30][C:25]=2[O:24][CH2:23][CH2:22]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>[O:21]1[C:26]2[CH:27]=[CH:28][C:29]([CH2:31][N:32]3[CH2:37][CH2:36][CH:35]([NH:38][CH2:14][CH2:13][N:10]4[C:11]5[C:6](=[CH:5][CH:4]=[C:3]([O:2][CH3:1])[CH:12]=5)[C:7]([C:17]([O:19][CH3:20])=[O:18])=[CH:8][C:9]4=[O:16])[CH2:34][CH2:33]3)=[CH:30][C:25]=2[O:24][CH2:23][CH2:22]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 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 392561291-(2,3-Dihydro-1,4-benzodioxin-6-ylmethyl)piperidin-4-ylamineHCID 59397992Methyl 7-methoxy-2-oxo-1-(2-oxoethyl)-1,2-dihydroquinoline-4-carboxylate

生成物 1

HCID 59398439Methyl 1-(2-(1-(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)piperidin-4-ylamino)ethyl)-7-methoxy-2-oxo-1,2-dihydroquinoline-4-carboxylate
収率 70.5%

試薬・触媒・溶媒 2

HCID 176Acetic Acid溶媒HCID 6212Chloroform溶媒

実験手順

To 10 mL of a chloroform solution containing 111 mg of methyl 7-methoxy-2-oxo-1-(2-oxoethyl)-1,2-dihydroquinoline-4-carboxylate and 93 mg of 1-(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)piperidin-4-ylamine, 23 μL of acetic acid was added and stirred at room temperature for 1 hour. To the reaction mixture, 132 mg of sodium triacetoxyborohydride was added and stirred for 0.5 hours. Aqueous saturated sodium hydrogen carbonate solution was added and the organic layer was separated. The organic layer was washed with aqueous saturated sodium chloride solution, 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; Fuji Silysia Chemical Ltd., Chromatorex-NH, eluent; ethyl acetate:hexane=3:1], to give 134 mg of methyl 1-(2-(1-(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)piperidin-4-ylamino)ethyl)-7-methoxy-2-oxo-1,2-dihydroquinoline-4-carboxylate.

後処理

  1. additionwas added
  2. stirringstirred for 0.5 hours
  3. customthe organic layer was separated
  4. washThe organic layer was washed with aqueous saturated sodium chloride solution
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customthe solvent was removed under reduced pressure
  7. customThe residue thus obtained
  8. customwas purified by silica gel column chromatography [Silica Gel; Fuji Silysia Chemical Ltd., Chromatorex-NH, eluent; ethyl acetate:hexane=3:1]

出典と根拠

ORDレコード
ord-4b272ffb8b5043d58818815140ec4612
出典データセット
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08524738B2

反応ノート

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