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Sodium Carbonate Decahydrate → tert-butyl 4-(6-(6-(1-ethyl-1H-pyrazol-4-yl)-1H-pyrazolo[4,3-c]pyridin-1-yl)pyridin-2-yl)piperazine-1-carboxylate

HRID 57808
ノート
印刷プレビュー

反応式

HRID 57808 の反応式
Cl[C:2]1[N:7]=[CH:6][C:5]2[CH:8]=[N:9][N:10]([C:11]3[N:16]=[C:15]([N:17]4[CH2:22][CH2:21][N:20]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:19][CH2:18]4)[CH:14]=[CH:13][CH:12]=3)[C:4]=2[CH:3]=1.[CH2:30]([N:32]1[CH:36]=[C:35](B2OC(C)(C)C(C)(C)O2)[CH:34]=[N:33]1)[CH3:31].O.C([O-])(=O)C.[K+].O.O.O.O.O.O.O.O.O.O.C(=O)([O-])[O-].[Na+].[Na+]>C(#N)C.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].ClCCl>[CH2:30]([N:32]1[CH:36]=[C:35]([C:2]2[N:7]=[CH:6][C:5]3[CH:8]=[N:9][N:10]([C:11]4[N:16]=[C:15]([N:17]5[CH2:18][CH2:19][N:20]([C:23]([O:25][C:26]([CH3:27])([CH3:29])[CH3:28])=[O:24])[CH2:21][CH2:22]5)[CH:14]=[CH:13][CH:12]=4)[C:4]=3[CH:3]=2)[CH:34]=[N:33]1)[CH3:31]
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 151402Sodium Carbonate DecahydrateHCID 113790451-Ethyl-1H-pyrazole-4-boronic acid, pinacol esterHCID 23702041Potassium acetate hydrateHCID 86707015Tert-butyl 4-[6-(6-chloropyrazolo[4,3-c]pyridin-1-yl)-2-pyridyl]piperazine-1-carboxylate

生成物 1

HCID 86707016tert-butyl 4-(6-(6-(1-ethyl-1H-pyrazol-4-yl)-1H-pyrazolo[4,3-c]pyridin-1-yl)pyridin-2-yl)piperazine-1-carboxylate

試薬・触媒・溶媒 2

HCID 178418807HCID 178418807、化合物触媒HCID 6342Acetonitrile溶媒

反応条件

温度
150 °C

実験手順

A mixture of tert-butyl 4-[6-(6-chloropyrazolo[4,3-c]pyridin-1-yl)-2-pyridyl]piperazine-1-carboxylate (0.5112 mmol; 212.1 mg), 1-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole (1.022 mmol; 227.1 mg), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) dichloromethane adduct (0.05112 mmol; 42.6 mg), potassium acetate hydrate (0.7668 mmol; 0.77 mL) and sodium carbonate decahydrate (0.7668 mmol; 0.77 mL) in Acetonitrile (10 mL) in a pressure tube was heated under microwave at 150° C. for 15 min. The mixture was cooled to room temperature. The layers were separated. The aqueous layer was extracted with EtOAc. The combined organic layer was concentrated. The residue was purified on silica eluted with 0 to 6% MeOH in DCM to afford tert-butyl 4-(6-(6-(1-ethyl-1H-pyrazol-4-yl)-1H-pyrazolo[4,3-c]pyridin-1-yl)pyridin-2-yl)piperazine-1-carboxylate as a dark tan solid.

後処理

  1. temperatureThe mixture was cooled to room temperature
  2. customThe layers were separated
  3. extractionThe aqueous layer was extracted with EtOAc
  4. concentrationThe combined organic layer was concentrated
  5. customThe residue was purified on silica
  6. washeluted with 0 to 6% MeOH in DCM

出典と根拠

ORDレコード
ord-d02842cc4687411a82311d0e3b54146b
出典データセット
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09434725B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート