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6-Methyl-1H-indazole → HCID 71279530、化合物

HRID 246488
ノート
印刷プレビュー

反応式

HRID 246488 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.[CH3:26][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]([CH3:26])[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 126391916-Methyl-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 71279530HCID 71279530、化合物

試薬・触媒・溶媒 2

HCID 178418851HCID 178418851、化合物触媒
HCID 31275
1,4-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 (140 mg, 328 μmol), 6-methyl-1H-indazole (41.7 mg, 316 μmol) in dioxane (2 mL) was added sodium tert-butoxide (66.8 mg, 695 μmol) and bis(tri-tert-butylphosphine)palladium(0) (16.1 mg, 31.6 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-methyl-1H-indazol-1-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide. 1H NMR (CDCl3) d: 9.08 (s, 1H), 8.35 (s, 1H), 8.30 (s, 1H), 8.23 (d, J=1.0 Hz, 1H), 8.03 (br. s., 1H), 7.85 (s, 1H), 7.29 (s, 1H), 5.72 (s, 2H), 3.55-3.61 (m, 2H), 2.50 (s, 3H), 1.59 (s, 9H), 0.77-1.01 (m, 2H), −0.03 (s, 9H).

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-eb12b69263724df9a188493387118bca
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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