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N-bromobutanimide → 4-(7-(Bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-bromo-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)cyclohexanone

HRID 334361
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HRID 334361 반응식
[CH3:1][Si:2]([CH3:45])([CH3:44])[CH2:3][CH2:4][O:5][CH2:6][N:7]([CH2:36][O:37][CH2:38][CH2:39][Si:40]([CH3:43])([CH3:42])[CH3:41])[C:8]1[N:13]2[N:14]=[CH:15][C:16]([C:17]3[CH:18]=[N:19][C:20]([C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=4)=[CH:21][CH:22]=3)=[C:12]2[N:11]=[C:10]([CH:29]2[CH2:34][CH2:33][C:32](=[O:35])[CH2:31][CH2:30]2)[CH:9]=1.C1C(=O)N([Br:53])C(=O)C1>CC#N.C(Cl)Cl>[CH3:1][Si:2]([CH3:45])([CH3:44])[CH2:3][CH2:4][O:5][CH2:6][N:7]([CH2:36][O:37][CH2:38][CH2:39][Si:40]([CH3:43])([CH3:42])[CH3:41])[C:8]1[N:13]2[N:14]=[CH:15][C:16]([C:17]3[CH:18]=[N:19][C:20]([C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=4)=[CH:21][CH:22]=3)=[C:12]2[N:11]=[C:10]([CH:29]2[CH2:34][CH2:33][C:32](=[O:35])[CH2:31][CH2:30]2)[C:9]=1[Br:53]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 67184N-bromobutanimideHCID 665838044-(7-(Bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)cyclohexanone

생성물 1

HCID 866866634-(7-(Bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-bromo-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)cyclohexanone수율 86.9%

시약·촉매·용매 1

HCID 21877088Acetonitrile methylene chloride
용매

실험 절차

To a solution of 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)cyclohexanone (128 mg, 0.199 mmol) in CH3CN/DCM (3/1 mL) was added NBS (42.5 mg, 0.239 mmol) and stirred at rt for 30 min. TLC showed complete conversion. All the volatiles were removed under reduced pressure and the residue was purified by a SiO2 column (0-15% EtOAc/Hexanes, Rf=0.6 in 20% EtOAc) to afford 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-bromo-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)cyclohexanone as a pale yellow oil (125 mg).

후처리

  1. customAll the volatiles were removed under reduced pressure
  2. customthe residue was purified by a SiO2 column (0-15% EtOAc/Hexanes, Rf=0.6 in 20% EtOAc)

출처 및 근거

ORD 기록
ord-8761742ec5ff43d9bd56ed2b7b05c486
출처 데이터셋
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08883801B2

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