Dimethylformamide → 2-Chloro-4-morpholin-4-yl-7-pyrimidin-5-yl-quinazoline

HRID 517439

反応式

HRID 517439 の反応式
Br[C:2]1[CH:11]=[C:10]2[C:5]([C:6]([N:13]3[CH2:18][CH2:17][O:16][CH2:15][CH2:14]3)=[N:7][C:8]([Cl:12])=[N:9]2)=[CH:4][CH:3]=1.[N:19]1[CH:24]=[C:23](B(O)O)[CH:22]=[N:21][CH:20]=1.C(=O)([O-])[O-].[Na+].[Na+].CN(C=O)C>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.O>[Cl:12][C:8]1[N:7]=[C:6]([N:13]2[CH2:18][CH2:17][O:16][CH2:15][CH2:14]2)[C:5]2[C:10](=[CH:11][C:2]([C:23]3[CH:24]=[N:19][CH:20]=[N:21][CH:22]=3)=[CH:3][CH:4]=2)[N:9]=1

参加物

7

反応物 4

HCID 6228DimethylformamideHCID 10340Sodium CarbonateHCID 2795193(Pyrimidin-5-yl)boronic acidHCID 866657584-(7-Bromo-2-chloroquinazolin-4-yl)morpholine

生成物 1

HCID 866657592-Chloro-4-morpholin-4-yl-7-pyrimidin-5-yl-quinazoline収率 91.5%

試薬・触媒・溶媒 2

HCID 178418476HCID 178418476、化合物触媒HCID 962Water溶媒

反応条件

温度
95 °C

実験手順

To a 50 mL round bottom flask, 7-bromo-2-chloro-4-morpholin-4-yl-quinazoline (0.2 g, 0.0006 mol), pyrimidine-5-boronic acid (0.068 g, 0.0005 mol), sodium carbonate (0.129 g, 0.0012 mol), DMF (10 mL) and water (3 mL) were added and degassed the reaction vessel with N2 for 5-10 min. To the same reaction mixture, Pd(PPh3)2Cl2 (0.029 g, 0.00004 mol) was added and again degassed with N2 for 5-10 min. The reaction mixture was stirred at 95° C. for 2 h. The reaction mixture was cooled and diluted with ethyl acetate. The organic layer was washed with water, brine and dried over sodium sulfate. The solvent was removed under reduced pressure to afford the crude product. The crude product was purified; using column chromatography (60-120 silica gel, 60% ethyl acetate in hexane) to yield the desired product [150 mg, 75%]. 1H NMR (300 MHz, CDCl3): δ 9.27 (s, 1H), 9.04 (s, 2H), 7.85-8.45 (m, 2H), 7.60-7.64 (m, 1H), 3.82-3.91 (m, 8H); LC-MS (ESI): Calculated mass: 327.09; Observed mass: 328.0 [M+H]+ (RT: 0.98 min).

後処理

  1. customdegassed the reaction vessel with N2 for 5-10 min
  2. customagain degassed with N2 for 5-10 min
  3. temperatureThe reaction mixture was cooled
  4. additiondiluted with ethyl acetate
  5. washThe organic layer was washed with water, brine
  6. dry with materialdried over sodium sulfate
  7. customThe solvent was removed under reduced pressure
  8. customto afford the crude product
  9. customThe crude product was purified

出典と根拠

ORDレコード
ord-e4a811cc5dbe4650b69f5835298cb56a
出典データセット
uspto-grants-2015_08
特許番号
US09115092B2

関連ノート

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