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N-bromobutanimide → 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

HRID 2047129
ノート
印刷プレビュー

反応式

HRID 2047129 の反応式
[CH3:1][Si:2]([CH3:51])([CH3:50])[CH2:3][CH2:4][O:5][CH2:6][N:7]([CH2:42][O:43][CH2:44][CH2:45][Si:46]([CH3:49])([CH3:48])[CH3:47])[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)[CH:9]=1.C1C(=O)N([Br:59])C(=O)C1>CN(C=O)C.CCOC(C)=O>[CH3:49][Si:46]([CH3:48])([CH3:47])[CH2:45][CH2:44][O:43][CH2:42][N:7]([CH2:6][O:5][CH2:4][CH2:3][Si:2]([CH3:1])([CH3:50])[CH3:51])[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[Br:59]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 67184N-bromobutanimide2 回HCID 66584899Tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate

生成物 1

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収率 88%

試薬・触媒・溶媒 2

HCID 6228
Dimethylformamide
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

To a solution of tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate (3.24 g, 4.44 mmol) in DMF (20 mL) was added NBS (750 mg, 4.21 mmol). After stirring at rt for one hour, NBS (75 mg 0.42 mmol) was added and the resulting mixture was stirred for another 40 minutes to complete the reaction. The reaction mixture was diluted with EtOAc (200 mL), washed with water (2×50 mL), brine (20 mL) and dried (MgSO4). After concentration in vacuo the residue was purified on silica gel. Elution with EtOAc/Hexanes (0-40%) gave the title compound (3 g, 83%).

後処理

  1. stirringthe resulting mixture was stirred for another 40 minutes
  2. customthe reaction
  3. washwashed with water (2×50 mL), brine (20 mL)
  4. dry with materialdried (MgSO4)
  5. concentrationAfter concentration in vacuo the residue
  6. customwas purified on silica gel
  7. washElution with EtOAc/Hexanes (0-40%)

出典と根拠

ORDレコード
ord-148be8985e784867b51f39fe102a47f1
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08591943B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート