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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 2191900
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인쇄 미리보기

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HRID 2191900 반응식
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]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 222AmmoniaHCID 1049PyridineHCID 27347143-(Methoxycarbonyl)benzeneboronic acidHCID 671714702-Allyl-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidin-3(2H)-one

생성물 1

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

시약·촉매·용매 3

HCID 8895
Cupric acetate
촉매
HCID 962Water용매
HCID 6212Chloroform용매

실험 절차

Pyridine (20 mL) was added to a chloroform solution of 2-allyl-6-(methylthio)-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one (7.5 g), copper(II)acetate (6.1 g) and [3-(methoxycarbonyl)]phenylboronic acid (10 g), and stirred at room temperature for 3 days. Aqueous 30% ammonia solution and saturated saline water were added to the reaction liquid in order, and extracted with chloroform. The organic layer was washed with saturated saline water, 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 give methyl 3-[2-allyl-6-(methylthio)-3-oxo-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-1-yl]benzoate as a yellow oil (6.7 g).

후처리

  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)

출처 및 근거

ORD 기록
ord-9e64eb403fa743f88c98f4ae86aa30a1
출처 데이터셋
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08329711B2

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