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Potassium Phosphate, Tribasic → 6-(1-methyl-1H-pyrazol-4-yl)-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine

HRID 1852958
ノート
印刷プレビュー

反応式

HRID 1852958 の反応式
Cl[C:2]1[N:7]=[C:6]([C:8]2[CH:9]=[N:10][N:11]([CH2:13][O:14][CH2:15][CH2:16][Si:17]([CH3:20])([CH3:19])[CH3:18])[CH:12]=2)[N:5]=[C:4]([NH2:21])[CH:3]=1.[CH3:22][N:23]1[CH:27]=[C:26](B2OC(C)(C)C(C)(C)O2)[CH:25]=[N:24]1.[O-]P([O-])([O-])=O.[K+].[K+].[K+]>O1CCOCC1.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:22][N:23]1[CH:27]=[C:26]([C:2]2[N:7]=[C:6]([C:8]3[CH:9]=[N:10][N:11]([CH2:13][O:14][CH2:15][CH2:16][Si:17]([CH3:20])([CH3:19])[CH3:18])[CH:12]=3)[N:5]=[C:4]([NH2:21])[CH:3]=2)[CH:25]=[N:24]1
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

7

反応物 3

HCID 62657Potassium Phosphate, TribasicHCID 27739871-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 866852946-chloro-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine

生成物 1

HCID 674585736-(1-methyl-1H-pyrazol-4-yl)-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine収率 54.7%

試薬・触媒・溶媒 3

HCID 178418397
HCID 178418397、化合物
触媒
HCID 962Water溶媒
HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

6-Chloro-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine (1.00 g, 3.07 mmol), 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (0.958 g, 4.60 mmol), K3PO4 (1.95 g, 9.21 mmol), and Pd(PPh3)4 (0.355 g, 0.307 mmol) were suspended in dioxane (15.3 mL) and H2O (0.829 mL). After de-gassing with nitrogen, the reaction mixture was heated to 100° C. overnight. After cooling, the reaction mixture was diluted in EtOAc and washed with water and brine. The organics were dried with MgSO4, filtered and concentrated down to an orange oil. Purification of the resulting crude material by silica chromatography using a gradient of 0-10% MeOH/EtOAc afforded 6-(1-methyl-1H-pyrazol-4-yl)-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine (0.623 g, 1.68 mmol, 54.7% yield) as a thick yellow oil. MS (apci) m/z=372.4 (M+H).

後処理

  1. customAfter de-gassing with nitrogen
  2. temperatureAfter cooling
  3. additionthe reaction mixture was diluted in EtOAc
  4. washwashed with water and brine
  5. dry with materialThe organics were dried with MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated down to an orange oil
  8. customPurification of the resulting crude material by silica chromatography

出典と根拠

ORDレコード
ord-23d7feb8b26644a5a2986b8d4a830ea1
出典データセット
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08962596B2

反応ノート

読み込み中…

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