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Ammonium Hydroxide → 4-(4-bromo-2-cyclopropyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazol-5-yl)pyrimidin-2-amine

HRID 1043724
ノート
印刷プレビュー

反応式

HRID 1043724 の反応式
[Br:1][C:2]1[N:3]=[C:4]([CH:22]2[CH2:24][CH2:23]2)[N:5]([CH2:14][O:15][CH2:16][CH2:17][Si:18]([CH3:21])([CH3:20])[CH3:19])[C:6]=1[C:7]1[CH:12]=[CH:11][N:10]=[C:9](Cl)[N:8]=1.[NH4+:25].[OH-]>O1CCOCC1.O>[Br:1][C:2]1[N:3]=[C:4]([CH:22]2[CH2:24][CH2:23]2)[N:5]([CH2:14][O:15][CH2:16][CH2:17][Si:18]([CH3:21])([CH3:20])[CH3:19])[C:6]=1[C:7]1[CH:12]=[CH:11][N:10]=[C:9]([NH2:25])[N:8]=1
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 14923Ammonium HydroxideHCID 866514084-(4-bromo-2-cyclopropyl-1-((2-(trimethylsilyl)ethoxy) methyl)-1H-imidazol-5-yl)-2-chloropyrimidine

生成物 1

HCID 698129254-(4-bromo-2-cyclopropyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazol-5-yl)pyrimidin-2-amine収率 91%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 312751,4-Dioxane
溶媒

実験手順

4-(4-bromo-2-cyclopropyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazol-5-yl)-2-chloropyrimidine (1 g, 2.4 mmol) was combined with aqueous 28% NH4OH solution (8 mL) in 1,4-dioxane (8 mL) and the resulting mixture was split evenly between two reaction vials. Each was irradiated in a microwave reactor for 40 minutes at 130° C. TLC analysis indicated complete reaction. The combined reactions were then diluted with water (100 mL) followed by extraction with EtOAc (100 mL). The EtOAc layer was washed with brine then dried (Na2SO4), and concentrated. Purification of the resulting residue by flash chromatography on silica gel using an EtOAc-hexanes gradient (0 to 60%) provided 0.87 g of (2.1 mmol, 91%) of 4-(4-bromo-2-cyclopropyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazol-5-yl)pyrimidin-2-amine as a white solid: LCMS (m/z): 410.0 (MH+), tR=0.81 minute.

後処理

  1. customthe resulting mixture was split evenly between two reaction vials
  2. customEach was irradiated in a microwave reactor for 40 minutes at 130° C
  3. customreaction
  4. extractionfollowed by extraction with EtOAc (100 mL)
  5. washThe EtOAc layer was washed with brine
  6. dry with materialthen dried (Na2SO4)
  7. concentrationconcentrated
  8. customPurification of the resulting residue by flash chromatography on silica gel using an EtOAc-hexanes gradient (0 to 60%)

出典と根拠

ORDレコード
ord-12837ddc9989429b859f410ae7e420ee
出典データセット
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08563553B2

反応ノート

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