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Sodium Carbonate → 2-Chloro-5-(pyridin-4-yl)-4-((tetrahydro-2H-pyran-4-yl)oxy)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine

HRID 1487601
ノート
印刷プレビュー

反応式

HRID 1487601 の反応式
[Cl:1][C:2]1[N:3]=[C:4]([O:20][CH:21]2[CH2:26][CH2:25][O:24][CH2:23][CH2:22]2)[C:5]2[C:10](I)=[CH:9][N:8]([CH2:12][O:13][CH2:14][CH2:15][Si:16]([CH3:19])([CH3:18])[CH3:17])[C:6]=2[N:7]=1.[N:27]1[CH:32]=[CH:31][C:30](B(O)O)=[CH:29][CH:28]=1.O1CCOCC1.C(=O)([O-])[O-].[Na+].[Na+]>[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.O>[Cl:1][C:2]1[N:3]=[C:4]([O:20][CH:21]2[CH2:26][CH2:25][O:24][CH2:23][CH2:22]2)[C:5]2[C:10]([C:30]3[CH:31]=[CH:32][N:27]=[CH:28][CH:29]=3)=[CH:9][N:8]([CH2:12][O:13][CH2:14][CH2:15][Si:16]([CH3:19])([CH3:18])[CH3:17])[C:6]=2[N:7]=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 4

HCID 10340Sodium CarbonateHCID 312751,4-DioxaneHCID 2734379(Pyridin-4-yl)boronic acidHCID 867264332-Chloro-5-iodo-4-((tetrahydro-2H-pyran-4-yl)oxy)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine

生成物 1

HCID 867264362-Chloro-5-(pyridin-4-yl)-4-((tetrahydro-2H-pyran-4-yl)oxy)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine
収率 50.5%

試薬・触媒・溶媒 2

HCID 11979704Tetrakis(triphenylphosphine)palladium触媒HCID 962Water溶媒

反応条件

温度
75 °C

実験手順

To a solution of 2-chloro-5-iodo-4-((tetrahydro-2H-pyran-4-yl)oxy)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine (1 equiv), pyridin-4-ylboronic acid (1.1 equiv), tetrakis(triphenylphosphine)-palladium(0) (0.1 equiv) in a 5:1 mixture of 1,4-dioxane and water (0.17 M) was added sodium carbonate (2.1 equiv). The reaction was stirred at 75° C. for 3 h. The reaction mixture was quenched with saturated aqueous sodium chloride and then washed with ethyl acetate. The organic phase was combined and washed with saturated aqueous sodium chloride. The organic layer was dried (magnesium sulfate), filtered, and concentrated. The crude product was purified by silica gel column chromatography (0-90%) ethyl acetate (with 10% 1N ammonia in MeOH) in hexane) to give the title compound (50.5% yield) as a yellow oil. 1H NMR (400 MHz, DMSO-d6) δ ppm −0.06 (s, 9H) 0.82-0.91 (m, 2H) 1.74 (dtd, J=12.74, 8.37, 8.37, 3.71 Hz, 2H) 2.01-2.16 (m, 2H) 3.50-3.63 (m, 4H) 3.69-3.83 (m, 2H) 5.50 (tt, J=7.91, 3.81 Hz, 1H) 5.59 (s, 2H) 7.72 (d, J=6.25 Hz, 2H) 8.12 (s, 1H) 8.60 (d, J=6.25 Hz, 2H); MS (ESI) m/z 461.0 [M+1]+.

後処理

  1. customThe reaction mixture was quenched with saturated aqueous sodium chloride
  2. washwashed with ethyl acetate
  3. washwashed with saturated aqueous sodium chloride
  4. dry with materialThe organic layer was dried (magnesium sulfate)
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe crude product was purified by silica gel column chromatography (0-90%) ethyl acetate (with 10% 1N ammonia in MeOH) in hexane)

出典と根拠

ORDレコード
ord-1e942ba4ab6347ea99da7a0de5d389d8
出典データセット
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09428509B2

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