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Sodium Carbonate → (3R)-tert-butyl 3-(6-(5-(2-chloropyrimidin-4-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yloxy)piperidine-1-carboxylate

HRID 1529369
ノート
印刷プレビュー

反応式

HRID 1529369 の反応式
[O:1]1[CH2:6][CH2:5][CH2:4][CH2:3][CH:2]1[N:7]1[C:15]2[C:10](=[CH:11][C:12](B3OC(C)(C)C(C)(C)O3)=[CH:13][CH:14]=2)[C:9]([C:25]2[N:30]=[C:29]([O:31][C@@H:32]3[CH2:37][CH2:36][CH2:35][N:34]([C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH2:33]3)[CH:28]=[N:27][CH:26]=2)=[N:8]1.[Cl:45][C:46]1[N:51]=[C:50](Cl)[CH:49]=[CH:48][N:47]=1.C([O-])([O-])=O.[Na+].[Na+]>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.O1CCOCC1>[Cl:45][C:46]1[N:51]=[C:50]([C:12]2[CH:11]=[C:10]3[C:15](=[CH:14][CH:13]=2)[N:7]([CH:2]2[CH2:3][CH2:4][CH2:5][CH2:6][O:1]2)[N:8]=[C:9]3[C:25]2[N:30]=[C:29]([O:31][C@@H:32]3[CH2:37][CH2:36][CH2:35][N:34]([C:38]([O:40][C:41]([CH3:42])([CH3:44])[CH3:43])=[O:39])[CH2:33]3)[CH:28]=[N:27][CH:26]=2)[CH:49]=[CH:48][N:47]=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

6

反応物 3

HCID 10340Sodium CarbonateHCID 775312,4-DichloropyrimidineHCID 86709761(3R)-tert-butyl 3-(6-(1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazol-3-yl)pyrazin-2-yloxy)piperidine-1-carboxylate

生成物 1

HCID 86709777(3R)-tert-butyl 3-(6-(5-(2-chloropyrimidin-4-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yloxy)piperidine-1-carboxylate収率 86%

試薬・触媒・溶媒

2
HCID 178418397HCID 178418397、化合物触媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

A glass microwave reaction vessel was charged with (3R)-tert-butyl 3-(6-(1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazol-3-yl)pyrazin-2-yloxy)piperidine-1-carboxylate (600 mg, 0.99 mmol), 2,4-dichloropyrimidine (192 mg, 1.29 mmol, Fluka) and Pd(PPh3)4 (57 mg, 0.050 mmol). The tube was sealed and evacuated under vacuum and back-filled with N2 three times. 2 M Na2CO3 (2.48 mL, 4.95 mmol) and dioxane (5 mL) were added. The reaction was stirred and heated in at 100° C. for 3 h. After cooling to RT, the organic layer was separated and dried over anhydrous Na2SO4, filtered and concentrated. The crude was purified by silica gel chromatography, eluting with a gradient of 0-60% EtOAc in hexanes, to provide (3R)-tert-butyl 3-(6-(5-(2-chloropyrimidin-4-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yloxy)piperidine-1-carboxylate (505 mg, 0.85 mmol, 86% yield) as a pale yellow solid. MS (ESI, pos. ion) m/z: 592.1 (M+1).

後処理

  1. customA glass microwave reaction vessel
  2. customThe tube was sealed
  3. customevacuated under vacuum
  4. additionback-filled with N2 three times
  5. temperatureAfter cooling to RT
  6. customthe organic layer was separated
  7. dry with materialdried over anhydrous Na2SO4
  8. filtrationfiltered
  9. concentrationconcentrated
  10. customThe crude was purified by silica gel chromatography
  11. washeluting with a gradient of 0-60% EtOAc in hexanes

出典と根拠

ORDレコード
ord-27dc4ab8bfb244ffb93a6352a8307db4
出典データセット
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09090593B2

反応ノート

読み込み中…

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