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Hydrochloric Acid → N-Cyclopropylmethyl-N-[7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-(methoxymethyl)pyrazolo[1,5-a]pyridin-3-yl]amine

HRID 2253388
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HRID 2253388 반응식
[CH:1]1([CH2:4][N:5]([C:13]2[C:14]([CH2:35][O:36][CH3:37])=[N:15][N:16]3[C:21]([C:22]4[C:27]([O:28][CH3:29])=[CH:26][C:25]([CH2:30][O:31][CH3:32])=[CH:24][C:23]=4[O:33][CH3:34])=[CH:20][CH:19]=[CH:18][C:17]=23)C(=O)OC(C)(C)C)[CH2:3][CH2:2]1.Cl.[OH-].[Na+]>C(OCC)(=O)C>[CH:1]1([CH2:4][NH:5][C:13]2[C:14]([CH2:35][O:36][CH3:37])=[N:15][N:16]3[C:21]([C:22]4[C:23]([O:33][CH3:34])=[CH:24][C:25]([CH2:30][O:31][CH3:32])=[CH:26][C:27]=4[O:28][CH3:29])=[CH:20][CH:19]=[CH:18][C:17]=23)[CH2:3][CH2:2]1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 21084194tert-butyl N-cyclopropylmethyl-N-[7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-(methoxymethyl)pyrazolo[1,5-a]pyridin-3-yl]carbamate

생성물 1

HCID 21084165N-Cyclopropylmethyl-N-[7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-(methoxymethyl)pyrazolo[1,5-a]pyridin-3-yl]amine

시약·촉매·용매 1

HCID 8857
Ethyl Acetate
용매

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온도
40 °C

실험 절차

The obtained tert-butyl N-cyclopropylmethyl-N-[7-[2,6-dimethoxy-4-(methoxymethyl)phenyl]-2-(methoxymethyl)pyrazolo[1,5-a]pyridin-3-yl]carbamate was dissolved in ethyl acetate (5 mL) without purification, and then 4N hydrochloric acid (ethyl acetate solution; 10 mL) was added thereto and the reaction mixture was stirred for 30 minutes at 40° C. The reaction mixture was neutralized with a 5N aqueous sodium hydroxide solution while cooling with ice, and then the reaction mixture was extracted with ethyl acetate and the organic extract was washed with water and brine. The organic extract was dried over anhydrous magnesium sulfate and filtered, the solvent was evaporated under reduced pressure, the residue was purified by silica gel column chromatography and the title compound (95 mg) was obtained as a yellow oil from the n-hexane:ethyl acetate (2:3) fraction.

후처리

  1. temperaturewhile cooling with ice
  2. extractionthe reaction mixture was extracted with ethyl acetate
  3. extractionthe organic extract
  4. washwas washed with water and brine
  5. extractionThe organic extract
  6. dry with materialwas dried over anhydrous magnesium sulfate
  7. filtrationfiltered
  8. customthe solvent was evaporated under reduced pressure
  9. customthe residue was purified by silica gel column chromatography

출처 및 근거

ORD 기록
ord-92880915fc7848a2843869b0d8d410da
출처 데이터셋
uspto-grants-2008_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07323569B2

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