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Sodium Bicarbonate → N-(5-(4-(pyridin-3-yloxy)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)benzenesulfonamide

HRID 1485553
ノート
印刷プレビュー

反応式

HRID 1485553 の反応式
Cl[C:2]1[CH:3]=[CH:4][C:5]2[N:6]=[CH:7][N:8]=[C:9]([O:12][C:13]3[CH:14]=[N:15][CH:16]=[CH:17][CH:18]=3)[C:10]=2[N:11]=1.CC1(C)C(C)(C)OB([C:27]2[CH:28]=[C:29]([NH:33][S:34]([C:37]3[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=3)(=[O:36])=[O:35])[CH:30]=[N:31][CH:32]=2)O1.C(=O)(O)[O-].[Na+]>O1CCOCC1>[N:15]1[CH:16]=[CH:17][CH:18]=[C:13]([O:12][C:9]2[C:10]3[N:11]=[C:2]([C:27]4[CH:28]=[C:29]([NH:33][S:34]([C:37]5[CH:38]=[CH:39][CH:40]=[CH:41][CH:42]=5)(=[O:35])=[O:36])[CH:30]=[N:31][CH:32]=4)[CH:3]=[CH:4][C:5]=3[N:6]=[CH:7][N:8]=2)[CH:14]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 516892Sodium BicarbonateHCID 52936632N-[5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl]benzenesulfonamide2 回HCID 866710686-chloro-4-(3-pyridinyloxy)-Pyrido[3,2-d]pyrimidine2 回

生成物 1

HCID 66558114N-(5-(4-(pyridin-3-yloxy)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)benzenesulfonamide収率 125.9%

試薬・触媒・溶媒 1

HCID 31275
1,4-Dioxane
溶媒

実験手順

A mixture of 6-chloro-4-(pyridin-3-yloxy)pyrido[3,2-d]pyrimidine (0.090 g, 0.348 mmol) (Intermediate 8), N-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.150 g, 0.418 mmol) (Intermediate 2), PdCl2(dppf)-CH2Cl2Adduct (0.057 g, 0.070 mmol) and 1N aq. sodium bicarbonate (0.70 ml, 0.70 mmol) in dioxane (1.74 ml) was subjected to microwave irradiation for 30 min at 120° C., and cooled to room temperature. The reaction mixture was filtered through a Celite pad and washed with EtOAc. The filtrate was diluted water and extracted with EtOAc. The combined organic layers were washed with brine, dried over anhydrous Na2SO4, filtered and concentrated in vacuo. The residue was purified by column chromatography on SiO2 (EtOAc only) to give N-(5-(4-(pyridin-3-yloxy)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)benzenesulfonamide (0.20 g, 13%) as a yellow solid. 1H-NMR (DMSO-d6, Varian 400 MHz) δ 7.45-7.49 (2H, m), 7.51-7.56 (1H, m), 7.61 (1H, dd, J=8.4 and 4.8 Hz), 7.84-7.87 (2H, m), 7.92-7.95 (1H, m), 8.38 (1H, d, J=2.8 Hz), 8.45 (1H, s), 8.49-8.51 (2H, m), 8.53 (1H, dd, J=4.8 and 1.2 Hz), 8.66 (1H, d, J=2.4 Hz), 8.73 (1H, s), 9.06 (1H, d, J=2.0 Hz). m/z=457 [M+1]+.

後処理

  1. customirradiation for 30 min at 120° C.
  2. filtrationThe reaction mixture was filtered through a Celite pad
  3. washwashed with EtOAc
  4. extractionextracted with EtOAc
  5. washThe combined organic layers were washed with brine
  6. dry with materialdried over anhydrous Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customThe residue was purified by column chromatography on SiO2 (EtOAc only)

出典と根拠

ORDレコード
ord-ec11bdff181d4bdeacb174ef3e520dbe
出典データセット
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09422298B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート