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6-chloro-1H-indazole → N-tert-butyl-2-(6-chloro-1H-indazol-1-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide

HRID 246484
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HRID 246484 반응식
Br[C:2]1[N:3]=[C:4]2[C:10]([C:11]([NH:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12])=[CH:9][N:8]([CH2:18][O:19][CH2:20][CH2:21][Si:22]([CH3:25])([CH3:24])[CH3:23])[C:5]2=[N:6][CH:7]=1.[Cl:26][C:27]1[CH:35]=[C:34]2[C:30]([CH:31]=[N:32][NH:33]2)=[CH:29][CH:28]=1.CC(C)([O-])C.[Na+]>O1CCOCC1.CC(C)([P](C(C)(C)C)([Pd][P](C(C)(C)C)(C(C)(C)C)C(C)(C)C)C(C)(C)C)C>[C:14]([NH:13][C:11]([C:10]1[C:4]2[C:5](=[N:6][CH:7]=[C:2]([N:33]3[C:34]4[C:30](=[CH:29][CH:28]=[C:27]([Cl:26])[CH:35]=4)[CH:31]=[N:32]3)[N:3]=2)[N:8]([CH2:18][O:19][CH2:20][CH2:21][Si:22]([CH3:25])([CH3:24])[CH3:23])[CH:9]=1)=[O:12])([CH3:17])([CH3:16])[CH3:15]
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참가 물질

6

반응물 3

HCID 4175246-chloro-1H-indazoleHCID 23676156Sodium t-butoxideHCID 715756452-bromo-N-(tert-butyl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide

생성물 1

HCID 71280597N-tert-butyl-2-(6-chloro-1H-indazol-1-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide수율 69%

시약·촉매·용매 2

HCID 178418851
HCID 178418851, 화합물
촉매
HCID 312751,4-Dioxane용매

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온도
125 °C

실험 절차

To a stirred solution of 2-bromo-N-tert-butyl-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (150 mg, 351 μmol) and 6-chloro-1H-indazole 64.3 mg, 421 μmoll) in dioxane (5.25 mL) was added sodium tert-butoxide (74.2 mg, 772 μmol) and bis(tri-tert-butylphosphine)palladium(0) (17.9 mg, 35.1 μmol). The mixture was degassed then heated in sealed tube at 125° C. for 15 h. The mixture was cooled, filtered through celite, the cake washed with ethyl acetate, and the combined filtrates were concentrated in vacuo. Purification by chromatography (silica, 24 g Analogix column, 0-40% ethyl acetate in hexanes) gave N-tert-butyl-2-(6-chloro-1H-indazol-1-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (120 mg, 69%).

후처리

  1. customThe mixture was degassed
  2. temperatureThe mixture was cooled
  3. filtrationfiltered through celite
  4. washthe cake washed with ethyl acetate
  5. concentrationthe combined filtrates were concentrated in vacuo
  6. customPurification by chromatography (silica, 24 g Analogix column, 0-40% ethyl acetate in hexanes)

출처 및 근거

ORD 기록
ord-e2440b46e8cc48a5a526abb4a378d400
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658646B2

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