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Triethylamine → tert-butyl 2-{[4-methoxy-6-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyridin-3-yl]methyl}-2,7-diazaspiro[3.5]nonane-7-carboxylate

HRID 1253527
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HRID 1253527 반응식
[CH3:1][O:2][C:3]1[C:4]2[N:5]([N:15]=[CH:16][C:17]=2[CH:18]=O)[CH:6]=[C:7]([C:9]2[CH:10]=[N:11][N:12]([CH3:14])[CH:13]=2)[CH:8]=1.[Cl-].[C:21]([O:25][C:26]([N:28]1[CH2:36][CH2:35][C:31]2([CH2:34][NH2+:33][CH2:32]2)[CH2:30][CH2:29]1)=[O:27])([CH3:24])([CH3:23])[CH3:22].C(N(CC)CC)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCCl>[CH3:1][O:2][C:3]1[C:4]2[N:5]([N:15]=[CH:16][C:17]=2[CH2:18][N:33]2[CH2:34][C:31]3([CH2:30][CH2:29][N:28]([C:26]([O:25][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:27])[CH2:36][CH2:35]3)[CH2:32]2)[CH:6]=[C:7]([C:9]2[CH:10]=[N:11][N:12]([CH3:14])[CH:13]=2)[CH:8]=1
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참가 물질

6

반응물 4

HCID 8471TriethylamineHCID 5049666Sodium triacetoxyborohydrideHCID 866570544-methoxy-6-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyridine-3-carbaldehydeHCID 178451559HCID 178451559, 화합물

생성물 1

HCID 67207321tert-butyl 2-{[4-methoxy-6-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyridin-3-yl]methyl}-2,7-diazaspiro[3.5]nonane-7-carboxylate

시약·촉매·용매

1
HCID 111,2-Dichloroethane용매

실험 절차

To a solution of 4-methoxy-6-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyridine-3-carbaldehyde (25.0 mg, 0.098 mmol), 7-(tert-butoxycarbonyl)-7-aza-2-azoniaspiro[3.5]nonane chloride (39.0 mg, 0.15 mmol), and triethylamine (0.054 mL, 0.39 mmol) in 1,2-dichloroethane (2 ml) was added sodium triacetoxyborohydride (41.0 mg, 0.20 mmol). After 2 h, the reaction was quenched with saturated aqueous sodium hydrogen carbonate, diluted with ethyl acetate, dried over magnesium sulfate, filtered and concentrated. The residue was purified by column chromatography on silica gel (ethyl acetate/isohexane gradient) to give tert-butyl 2-{[4-methoxy-6-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyridin-3-yl]methyl}-2,7-diazaspiro[3.5]nonane-7-carboxylate. LRMS (ESI) calculated for C25H35N6O3 [M+H]+, 467.3; found 467.1.

후처리

  1. customthe reaction was quenched with saturated aqueous sodium hydrogen carbonate
  2. additiondiluted with ethyl acetate
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was purified by column chromatography on silica gel (ethyl acetate/isohexane gradient)

출처 및 근거

ORD 기록
ord-e7f9e4cfe51343ca83aad14d2d76f090
출처 데이터셋
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08455477B2

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