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Triethylamine → N-methoxy-N-methyl-5-pyrrolidin-1-yl-7-(tetrahydro-2H-pyran-4-ylamino)pyrazolo[1,5-a]pyrimidine-2-carboxamide

HRID 869716
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HRID 869716 반응식
[N:1]1([C:6]2[CH:11]=[C:10]([NH:12][CH:13]3[CH2:18][CH2:17][O:16][CH2:15][CH2:14]3)[N:9]3[N:19]=[C:20]([C:22]([OH:24])=O)[CH:21]=[C:8]3[N:7]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.Cl.C(N=C=NCCCN(C)C)C.Cl.[CH3:38][NH:39][O:40][CH3:41].C(N(CC)CC)C.C(=O)(O)[O-].[Na+]>ClCCl>[CH3:41][O:40][N:39]([CH3:38])[C:22]([C:20]1[CH:21]=[C:8]2[N:7]=[C:6]([N:1]3[CH2:2][CH2:3][CH2:4][CH2:5]3)[CH:11]=[C:10]([NH:12][CH:13]3[CH2:14][CH2:15][O:16][CH2:17][CH2:18]3)[N:9]2[N:19]=1)=[O:24]
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참가 물질

7

반응물 5

HCID 8471TriethylamineHCID 81138Methanamine, N-methoxy-, hydrochloride (1:1)HCID 516892Sodium BicarbonateHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 674075435-pyrrolidin-1-yl-7-(tetrahydro-2H-pyran-4-ylamino)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid

생성물 1

HCID 86674519
N-methoxy-N-methyl-5-pyrrolidin-1-yl-7-(tetrahydro-2H-pyran-4-ylamino)pyrazolo[1,5-a]pyrimidine-2-carboxamide

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a suspension of 5-pyrrolidin-1-yl-7-(tetrahydro-2H-pyran-4-ylamino)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (2.15 g, 5.26 mmol) in dichloromethane (60 mL) was added 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (1.27 g, 13.0 mmol), N,O-dimethylhydroxylamine hydrochloride (2.49 g, 13.0 mmol), and triethylamine (2.30 g, 22.7 mmol) at 0° C. After being stirred for 17 h at room temperature, the reaction mixture was poured into saturated sodium bicarbonate. The mixture was extracted with chloroform. The organic layer was washed with brine, dried over sodium sulfate, filtrated and concentrated in vacuo. The crude was purified by silica gel column chromatography (chloroform to chloroform:methanol=19:1) to give N-methoxy-N-methyl-5-pyrrolidin-1-yl-7-(tetrahydro-2H-pyran-4-ylamino)pyrazolo[1,5-a]pyrimidine-2-carboxamide. MS (APCI): m/z 375 (M+H).

후처리

  1. extractionThe mixture was extracted with chloroform
  2. washThe organic layer was washed with brine
  3. dry with materialdried over sodium sulfate
  4. filtrationfiltrated
  5. concentrationconcentrated in vacuo
  6. customThe crude was purified by silica gel column chromatography (chloroform to chloroform:methanol=19:1)

출처 및 근거

ORD 기록
ord-f60e5036c27d4171abcb2bb1e82cb41c
출처 데이터셋
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08969376B2

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