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Tricyclohexylphosphine → 4-[4'-(Ethylsulfonyl)-6-fluorobiphenyl-3-yl]-7-(propan-2-yl)-7H-imidazo[4,5-c]pyridazine

HRID 1845987
ノート
印刷プレビュー

反応式

HRID 1845987 の反応式
[CH2:1]([S:3]([C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:17]([F:18])=[CH:16][CH:15]=[C:14](B(O)O)[CH:13]=2)=[CH:8][CH:7]=1)(=[O:5])=[O:4])[CH3:2].Cl[C:23]1[C:24]2[N:31]=[CH:30][N:29]([CH:32]([CH3:34])[CH3:33])[C:25]=2[N:26]=[N:27][CH:28]=1.P([O-])([O-])[O-].[K+].[K+].[K+].C1(P(C2CCCCC2)C2CCCCC2)CCCCC1>O1CCOCC1.O>[CH2:1]([S:3]([C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:17]([F:18])=[CH:16][CH:15]=[C:14]([C:23]3[C:24]4[N:31]=[CH:30][N:29]([CH:32]([CH3:34])[CH3:33])[C:25]=4[N:26]=[N:27][CH:28]=3)[CH:13]=2)=[CH:8][CH:7]=1)(=[O:5])=[O:4])[CH3:2]
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 4

HCID 75806TricyclohexylphosphineHCID 9837043phosphorous acid, tripotassium saltHCID 86723213(4'-(Ethylsulfonyl)-6-fluoro-[1,1'-biphenyl]-3-yl)boronic acidHCID 867232144-chloro-7-isopropyl-7H-imidazo[4,5-c]pyridazine

生成物 1

HCID 867232124-[4'-(Ethylsulfonyl)-6-fluorobiphenyl-3-yl]-7-(propan-2-yl)-7H-imidazo[4,5-c]pyridazine収率 27%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

A stirred solution of 4′-ethylsulfonyl-6-fluorobiphenyl-3-yl-boronic acid (Preparation 65, 30 mg, 0.097 mmol), 4-chloro-7-isopropyl-7H-imidazo[4,5-c]pyridazine (Preparation 6, 15 mg, 0.077 mmol) and potassium phosphite (33 mg, 0.154 mmol) in dioxane (3 mL) and water (0.7 mL) was degassed with argon for 10 minutes followed by the addition of tricyclohexylphosphine (1.72 mg, 0.006 mmol) and tris(dibenzylideneacetone)palladium(0) (2.82 mg, 0.003 mmol). The resulting mixture was heated at 100° C. for 16 hours. The reaction mixture was filtered to remove inorganics and the filtrate was concentrated in vacuo to remove the volatiles. Purification of the crude residue by preparative TLC eluting with 2% MeOH in DCM afforded the title compound as off white solid in 27% yield, 9 mg.

後処理

  1. filtrationThe reaction mixture was filtered
  2. customto remove inorganics
  3. concentrationthe filtrate was concentrated in vacuo
  4. customto remove the volatiles
  5. customPurification of the crude residue by preparative TLC
  6. washeluting with 2% MeOH in DCM

出典と根拠

ORDレコード
ord-53b8cb4a168b4f01accf7de5ad725fa9
出典データセット
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08952008B2

反応ノート

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