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Sodium Bicarbonate → 1-(2-(4-((3-oxo-3,4-dihydro-2H-pyrido(3,2-b)(1,4)oxazin-6-yl)methylamino)piperidin-1-yl)ethyl)-7-methoxy-1,5-naphthyridin-2(1H)-one

HRID 385650
ノート
印刷プレビュー

反応式

HRID 385650 の反応式
[NH2:1][CH:2]1[CH2:7][CH2:6][N:5]([CH2:8][CH2:9][N:10]2[C:19]3[C:14](=[N:15][CH:16]=[C:17]([O:20][CH3:21])[CH:18]=3)[CH:13]=[CH:12][C:11]2=[O:22])[CH2:4][CH2:3]1.[O:23]=[C:24]1[CH2:29][O:28][C:27]2[CH:30]=[CH:31][C:32]([CH:34]=O)=[N:33][C:26]=2[NH:25]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>C(Cl)(Cl)Cl.CO.C(O)(=O)C>[O:23]=[C:24]1[CH2:29][O:28][C:27]2[CH:30]=[CH:31][C:32]([CH2:34][NH:1][CH:2]3[CH2:3][CH2:4][N:5]([CH2:8][CH2:9][N:10]4[C:19]5[C:14](=[N:15][CH:16]=[C:17]([O:20][CH3:21])[CH:18]=5)[CH:13]=[CH:12][C:11]4=[O:22])[CH2:6][CH2:7]3)=[N:33][C:26]=2[NH:25]1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 218737373-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehydeHCID 578151881-(2-(4-aminopiperidin-1-yl)ethyl)-7-methoxy-1,5-naphthyridin-2(1H)-one

生成物 1

HCID 250320771-(2-(4-((3-oxo-3,4-dihydro-2H-pyrido(3,2-b)(1,4)oxazin-6-yl)methylamino)piperidin-1-yl)ethyl)-7-methoxy-1,5-naphthyridin-2(1H)-one
収率 66.3%

試薬・触媒・溶媒 3

HCID 176Acetic Acid溶媒HCID 887Methanol溶媒HCID 6212Chloroform溶媒

実験手順

To a solution of 297 mg of 1-(2-(4-aminopiperidin-1-yl)ethyl)-7-methoxy-1,5-naphthyridin-2(1H)-one and 159 mg of 3-oxo-3,4-dihydro-2H-pyrido(3,2-b)(1,4)oxazine-6-carbaldehyde in 4 mL of chloroform and 1 mL of methanol, 0.11 mL of acetic acid was added, and the mixture was stirred at room temperature for 16 hours. To the reaction mixture, 299 mg of sodium triacetoxyborohydride was added, and the mixture was stirred for 1.5 hours. Thereto was added a saturated aqueous sodium hydrogen carbonate solution, and the organic layer was separated. The organic layer was washed with a saturated aqueous sodium chloride solution, and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure. The resultant residue was purified by silica gel column chromatography using silica gel; Silica Gel 60 made by KANTO CHEMICAL CO., INC., and an eluent of chloroform:methanol (mixing 5% of 28% ammonium water)=87:13 to obtain 275 mg of 1-(2-(4-((3-oxo-3,4-dihydro-2H-pyrido(3,2-b)(1,4)oxazin-6-yl)methylamino)piperidin-1-yl)ethyl)-7-methoxy-1,5-naphthyridin-2(1H)-one as a yellow foam.

後処理

  1. stirringthe mixture was stirred for 1.5 hours
  2. customthe organic layer was separated
  3. washThe organic layer was washed with a saturated aqueous sodium chloride solution
  4. dry with materialdried over anhydrous magnesium sulfate
  5. distillationthe solvent was distilled off under reduced pressure
  6. customThe resultant residue was purified by silica gel column chromatography

出典と根拠

ORDレコード
ord-d20027baf8814268a0bce9d82eea32b2
出典データセット
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08367831B2

反応ノート

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