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Stannane, tributyl(1-ethoxyethenyl)- → Tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-(1-ethoxyvinyl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate

HRID 2047130
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HRID 2047130 반응식
[CH3:1][Si:2]([CH3:52])([CH3:51])[CH2:3][CH2:4][O:5][CH2:6][N:7]([CH2:43][O:44][CH2:45][CH2:46][Si:47]([CH3:50])([CH3:49])[CH3:48])[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][N:32]([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH2:31][CH2:30]2)[C:9]=1Br.C([Sn](CCCC)(CCCC)[C:58]([O:60][CH2:61][CH3:62])=[CH2:59])CCC>O1CCOCC1>[CH3:1][Si:2]([CH3:52])([CH3:51])[CH2:3][CH2:4][O:5][CH2:6][N:7]([CH2:43][O:44][CH2:45][CH2:46][Si:47]([CH3:50])([CH3:49])[CH3:48])[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][N:32]([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH2:31][CH2:30]2)[C:9]=1[C:58]([O:60][CH2:61][CH3:62])=[CH2:59]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 619414Stannane, tributyl(1-ethoxyethenyl)-HCID 66584941Tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-bromo-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate

생성물 1

HCID 66584806Tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-(1-ethoxyvinyl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate수율 85.5%

시약·촉매·용매 1

HCID 31275
1,4-Dioxane
용매

실험 절차

To a pressure flask were charged compound tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-bromo-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate (intermediate from Scheme-10A) (13.66 g, 16.86 mmol), tributyl (1-ethoxyvinyl)tin (11.4 mL, 33.74 mmols) and dioxane (150 ml). The flask was degassed with Ar briefly, capped and heated at 100 C with stirring overnight. After cooling, the reaction mixture was concentrated. The residue was taken into ether (200 ml), washed with 0.5 M KF (50 ml), brine and dried (MgSO4). After solvent was removed under reduced pressure, the residue was purified on silica. Elution with EtOAc in hexanes (0-30%) gave compound tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-(1-ethoxyvinyl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate (11.55 g, 85%) as yellow form.

후처리

  1. customThe flask was degassed with Ar briefly
  2. customcapped
  3. temperatureheated at 100 C
  4. temperatureAfter cooling
  5. concentrationthe reaction mixture was concentrated
  6. washwashed with 0.5 M KF (50 ml), brine
  7. dry with materialdried (MgSO4)
  8. customAfter solvent was removed under reduced pressure
  9. customthe residue was purified on silica
  10. washElution with EtOAc in hexanes (0-30%)

출처 및 근거

ORD 기록
ord-b8ddf2520de546cf895e1af0994453b3
출처 데이터셋
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08591943B2

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