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4,6-Dichloro-pyrimidine-5-carbonyl chloride → N-(1-Allyl-2-benzyl-3-oxo-2,3-dihydro-1H-indazol-5-yl)-N-(2-(tert-butyldimethylsilyloxy)ethyl)-4,6-dichloropyrimidine-5-carboxamide

HRID 576571
ノート
印刷プレビュー

反応式

HRID 576571 の反応式
[CH2:1]([N:4]1[C:12]2[C:7](=[CH:8][C:9]([NH:13][CH2:14][CH2:15][O:16][Si:17]([C:20]([CH3:23])([CH3:22])[CH3:21])([CH3:19])[CH3:18])=[CH:10][CH:11]=2)[C:6](=[O:24])[N:5]1[CH2:25][C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1)[CH:2]=[CH2:3].[Cl:32][C:33]1[C:38]([C:39](Cl)=[O:40])=[C:37]([Cl:42])[N:36]=[CH:35][N:34]=1>C(Cl)Cl>[CH2:1]([N:4]1[C:12]2[C:7](=[CH:8][C:9]([N:13]([CH2:14][CH2:15][O:16][Si:17]([C:20]([CH3:22])([CH3:23])[CH3:21])([CH3:18])[CH3:19])[C:39]([C:38]3[C:33]([Cl:32])=[N:34][CH:35]=[N:36][C:37]=3[Cl:42])=[O:40])=[CH:10][CH:11]=2)[C:6](=[O:24])[N:5]1[CH2:25][C:26]1[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=1)[CH:2]=[CH2:3]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 121633604,6-Dichloro-pyrimidine-5-carbonyl chlorideHCID 867126101-Allyl-2-benzyl-5-(2-(tert-butyldimethylsilyloxy)ethylamino)-1H-indazol-3(2H)-one

生成物 1

HCID 86712609N-(1-Allyl-2-benzyl-3-oxo-2,3-dihydro-1H-indazol-5-yl)-N-(2-(tert-butyldimethylsilyloxy)ethyl)-4,6-dichloropyrimidine-5-carboxamide収率 46.4%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒2 回

実験手順

To a stirred, cooled (0° C.) solution of product of 11E (0.55 g, 1.23 mmol) and TEA (0.5 g, 5.0 mmol) in DCM (12 mL) was added drop wise a solution of 4,6-dichloropyrimidine-5-carbonyl chloride (0.26 g, 1.23 mmol) in DCM (5 mL). After 6 h, the reaction was concentrated in vacuo, diluted with ethyl acetate, and washed with water (2×10 mL) and saturated aqueous brine. The organic layer was dried over sodium sulphate, filtered and concentrated in vacuo to afford oil. The residue was purified by flash chromatography using 12% ethyl acetate in hexane as eluent to afford title compound (0.35 g, 46%) as an oil. 1H NMR (400 MHz, DMSO-d6): δ 8.75 (s, 1H), 7.75 (s, 1H), 7.46 (m, 3H), 7.36 (m, 4H), 5.94 (m, 1H), 5.34 (s, 2H), 5.08 (m, 1H), 4.96 (m, 1H), 4.82 (m, 2H), 4.0 (m, 2H), 3.77 (t, J=4.8 Hz, 2H), 0.8 (s, 9H), 0.01 (s, 6H); ESI-MS m/z=611 (M+H)+.

後処理

  1. concentrationthe reaction was concentrated in vacuo
  2. additiondiluted with ethyl acetate
  3. washwashed with water (2×10 mL) and saturated aqueous brine
  4. dry with materialThe organic layer was dried over sodium sulphate
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customto afford oil
  8. customThe residue was purified by flash chromatography

出典と根拠

ORDレコード
ord-0544955b68144e32be58b4100f5152e0
出典データセット
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09040517B2

反応ノート

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