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Potassium Phosphate, Tribasic → 6-[2-Ethyl-5-fluoro-4-(2-trimethylsilanyl-ethoxymethoxy)-phenyl]-1-(tetrahydro-pyran-2-yl)-1H-indazole-3-carbonitrile

HRID 2038710
ノート
印刷プレビュー

反応式

HRID 2038710 の反応式
Br[C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:17]#[N:18])=[N:7][N:8]2[CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][O:12]2)=[CH:4][CH:3]=1.[CH2:19]([C:21]1[CH:26]=[C:25]([O:27][CH2:28][O:29][CH2:30][CH2:31][Si:32]([CH3:35])([CH3:34])[CH3:33])[C:24]([F:36])=[CH:23][C:22]=1B1OC(C)(C)C(C)(C)O1)[CH3:20].P([O-])([O-])([O-])=O.[K+].[K+].[K+]>O1CCOCC1.O.[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[CH2:19]([C:21]1[CH:26]=[C:25]([O:27][CH2:28][O:29][CH2:30][CH2:31][Si:32]([CH3:33])([CH3:35])[CH3:34])[C:24]([F:36])=[CH:23][C:22]=1[C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:17]#[N:18])=[N:7][N:8]2[CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][O:12]2)=[CH:4][CH:3]=1)[CH3:20]
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 712377736-Bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole-3-carbonitrileHCID 86676270(2-((5-Ethyl-2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)methoxy)ethyl)trimethylsilane

生成物 1

HCID 866762696-[2-Ethyl-5-fluoro-4-(2-trimethylsilanyl-ethoxymethoxy)-phenyl]-1-(tetrahydro-pyran-2-yl)-1H-indazole-3-carbonitrile収率 81.1%

試薬・触媒・溶媒 3

HCID 11979704Tetrakis(triphenylphosphine)palladium触媒HCID 962Water溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
110 °C

実験手順

To a solution of 6-bromo-1-(tetrahydro-pyran-2-yl)-1H-indazole-3-carbonitrile (Preparation 2, 28.5 g, 93 mmol) and 2-[2-ethyl-5-fluoro-4-(2-trimethylsilanyl-ethoxymethoxy)-phenyl]-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (Preparation 5, 73.8 g, 112 mmol) in dioxane (500 mL) was added a solution of potassium phosphate (59.2 g, 279 mmol) in water (120 mL). The mixture was degassed with nitrogen and then tetrakis(triphenylphosphine) palladium(0) (10.8 g, 9.3 mmol) was added. The reaction mixture was heated at 110° C. for 18 hours. The reaction mixture was concentrated in vacuo and the residue was redissolved in EtOAc (1 L) and filtered through Arbocel®, washing with EtOAc (2×500 mL). The combined organic phases were concentrated in vacuo to give a brown oil. The residue was purified by column chromatography on silica gel eluting with 10% EtOAc in heptane to give the title compound as a viscous oil (37.4 g) in an 81% yield.

後処理

  1. customThe mixture was degassed with nitrogen
  2. concentrationThe reaction mixture was concentrated in vacuo
  3. dissolutionthe residue was redissolved in EtOAc (1 L)
  4. filtrationfiltered through Arbocel®
  5. washwashing with EtOAc (2×500 mL)
  6. concentrationThe combined organic phases were concentrated in vacuo
  7. customto give a brown oil
  8. customThe residue was purified by column chromatography on silica gel eluting with 10% EtOAc in heptane

出典と根拠

ORDレコード
ord-fde7f13ebfd948479d277ff4342a3418
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08575336B2

反応ノート

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