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Propylamine → 3-((tert-butyldimethylsilyl)oxy)propyl-7-(4-chlorobenzyl)-3-methyl-8-(propylamino)-1H-purine-2,6(3H,7H)-dione

HRID 2200737
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HRID 2200737 반응식
Br[C:2]1[N:10]([CH2:11][C:12]2[CH:17]=[CH:16][C:15]([Cl:18])=[CH:14][CH:13]=2)[C:9]2[C:8](=[O:19])[N:7]([CH2:20][CH2:21][CH2:22][O:23][Si:24]([C:27]([CH3:30])([CH3:29])[CH3:28])([CH3:26])[CH3:25])[C:6](=[O:31])[N:5]([CH3:32])[C:4]=2[N:3]=1.[CH2:33]([NH2:36])[CH2:34][CH3:35]>C(O)C.O>[Si:24]([O:23][CH2:22][CH2:21][CH2:20][N:7]1[C:8](=[O:19])[C:9]2[N:10]([CH2:11][C:12]3[CH:13]=[CH:14][C:15]([Cl:18])=[CH:16][CH:17]=3)[C:2]([NH:36][CH2:33][CH2:34][CH3:35])=[N:3][C:4]=2[N:5]([CH3:32])[C:6]1=[O:31])([C:27]([CH3:29])([CH3:28])[CH3:30])([CH3:25])[CH3:26]
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참가 물질

5

반응물 2

HCID 7852PropylamineHCID 904028568-bromo-1-(3-((tert-butyldimethylsilyl)oxy)propyl)-7-(4-chlorobenzyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione2회

생성물 1

HCID 1317357113-((tert-butyldimethylsilyl)oxy)propyl-7-(4-chlorobenzyl)-3-methyl-8-(propylamino)-1H-purine-2,6(3H,7H)-dione수율 63%

시약·촉매·용매 2

HCID 702Ethanol용매
HCID 962
Water
용매

실험 절차

Step 1 8-Bromo-1-(3-((tert-butyldimethylsilyl)oxy)propyl)-7-(4-chlorobenzyl)-3-methyl-1H-purine-2,6(3H,7H)-dione (0.25 g, 0.46 mmol, intermediate 77) and propan-1-amine (1.44 mL, 9.2 mmol) were combined in ethanol (5 mL) and heated at reflux for 24 h. The reaction was cooled to room temperature, diluted with water (75 mL) and extracted with ethyl acetate (3×75 mL). The combined organic extracts were dried with magnesium sulfate, filtered and the solvent evaporated under reduced pressure to yield a light golden oil. The oil was purified using a 25 g silica gel column eluted with 20% ethyl acetate/hexanes to give 1-(3-((tert-butyldimethylsilyl)oxy)propyl-7-(4-chlorobenzyl)-3-methyl-8-(propylamino)-1H-purine-2,6(3H,7H)-dione (0.15 g, 63% yield) as a white solid. LCMS retention time=5.013 min and 97% purity, LCMS MH+ 520.

후처리

  1. temperatureheated
  2. temperatureat reflux for 24 h
  3. extractionextracted with ethyl acetate (3×75 mL)
  4. dry with materialThe combined organic extracts were dried with magnesium sulfate
  5. filtrationfiltered
  6. customthe solvent evaporated under reduced pressure
  7. customto yield a light golden oil
  8. customThe oil was purified
  9. washeluted with 20% ethyl acetate/hexanes

출처 및 근거

ORD 기록
ord-fcdffd6913f64a65bb4b0dc696e1f6e2
출처 데이터셋
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09359359B2

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