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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
ノート
印刷プレビュー

反応式

HRID 246484 の反応式
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]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 1

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

試薬・触媒・溶媒 2

HCID 178418851
HCID 178418851、化合物
触媒
HCID 312751,4-Dioxane溶媒

反応条件

温度
125 °C

実験手順

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%).

後処理

  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)

出典と根拠

ORDレコード
ord-e2440b46e8cc48a5a526abb4a378d400
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08658646B2

反応ノート

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