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Ammonia → methyl 3-[2-allyl-6-(methylthio)-3-oxo-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-1-yl]benzoate

HRID 545240
ノート
印刷プレビュー

反応式

HRID 545240 の反応式
N1C=CC=CC=1.[CH2:7]([N:10]1[C:18](=[O:19])[C:17]2[C:12](=[N:13][C:14]([S:20][CH3:21])=[N:15][CH:16]=2)[NH:11]1)[CH:8]=[CH2:9].[CH3:22][O:23][C:24]([C:26]1[CH:27]=[C:28](B(O)O)[CH:29]=[CH:30][CH:31]=1)=[O:25].N>C([O-])(=O)C.[Cu+2].C([O-])(=O)C.O.C(Cl)(Cl)Cl>[CH2:7]([N:10]1[C:18](=[O:19])[C:17]2[C:12](=[N:13][C:14]([S:20][CH3:21])=[N:15][CH:16]=2)[N:11]1[C:30]1[CH:31]=[C:26]([CH:27]=[CH:28][CH:29]=1)[C:24]([O:23][CH3:22])=[O:25])[CH:8]=[CH2:9]
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 222AmmoniaHCID 1049PyridineHCID 27347143-(Methoxycarbonyl)benzeneboronic acidHCID 671714702-Allyl-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidin-3(2H)-one

生成物 1

HCID 67171015methyl 3-[2-allyl-6-(methylthio)-3-oxo-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-1-yl]benzoate収率 55.7%

試薬・触媒・溶媒 3

HCID 8895
Cupric acetate
触媒
HCID 962Water溶媒
HCID 6212Chloroform溶媒

実験手順

20 mL of pyridine was added to a chloroform solution of 7.5 g of 2-allyl-6-(methylthio)-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one, 6.1 g of copper(II) acetate and 10 g of [3-(methoxycarbonyl)]phenylboronic acid, and stirred at room temperature for 3 days. Aqueous 30% ammonia solution and saturated saline water were added to the reaction liquid in that order, and extracted with chloroform. The organic layer was washed with saturated saline water, then dried with anhydrous magnesium sulfate, and the solvent was evaporated away. The crude product was purified through silica gel column chromatography (hexane/ethyl acetate) to obtain 6.7 g of methyl 3-[2-allyl-6-(methylthio)-3-oxo-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-1-yl]benzoate as a yellow oily substance.

後処理

  1. extractionextracted with chloroform
  2. washThe organic layer was washed with saturated saline water
  3. dry with materialdried with anhydrous magnesium sulfate
  4. customthe solvent was evaporated away
  5. customThe crude product was purified through silica gel column chromatography (hexane/ethyl acetate)

出典と根拠

ORDレコード
ord-6db3b0241f5d424183ef485dce9fd4c8
出典データセット
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07935708B2

反応ノート

読み込み中…

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