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Sodium hydride → 1-(5-Tert-butyl-isoxazol-3-yl)-3-{3-[7-(3-chloro-propoxy)-6-methoxy-quinazolin-4-ylsulfanyl]-phenyl}-urea

HRID 631320
ノート
印刷プレビュー

反応式

HRID 631320 の反応式
[C:1]([C:5]1[O:9][N:8]=[C:7]([NH:10][C:11]([NH:13][C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([SH:20])[CH:15]=2)=[O:12])[CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].Cl[C:24]1[C:33]2[C:28](=[CH:29][C:30]([O:36][CH2:37][CH2:38][CH2:39][Cl:40])=[C:31]([O:34][CH3:35])[CH:32]=2)[N:27]=[CH:26][N:25]=1>C1COCC1.CN(C=O)C.C(OCC)(=O)C>[C:1]([C:5]1[O:9][N:8]=[C:7]([NH:10][C:11]([NH:13][C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([S:20][C:24]3[C:33]4[C:28](=[CH:29][C:30]([O:36][CH2:37][CH2:38][CH2:39][Cl:40])=[C:31]([O:34][CH3:35])[CH:32]=4)[N:27]=[CH:26][N:25]=3)[CH:15]=2)=[O:12])[CH:6]=1)([CH3:4])([CH3:2])[CH3:3]
参加物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 24758Sodium hydrideHCID 574472274-Chloro-7-(3-chloropropoxy)-6-methoxyquinazolineHCID 668758091-(5-Tert-butylisoxazol-3-yl)-3-(3-mercaptophenyl)urea

生成物 1

HCID 668758131-(5-Tert-butyl-isoxazol-3-yl)-3-{3-[7-(3-chloro-propoxy)-6-methoxy-quinazolin-4-ylsulfanyl]-phenyl}-urea収率 85%

試薬・触媒・溶媒 2

HCID 8857
Ethyl Acetate
溶媒
HCID 21974620tetrahydrofuran N,N-dimethylformamide溶媒2 回

実験手順

To a solution of (1-(5-tert-butyl-isoxazol-3-yl)-3-(3-mercapto-phenyl)-urea described in Example 44A (303.02 mg, 1.04 mmol) in THF: DMF (2:1, 6 mL) was added NaH (95%, 28.9 mg, 1.144 mmol), stirred for 5-10 min at ambient temperature. Then (4-chloro-7-(3-chloro-propoxy)-6-methoxy-quinazoline, (300 mg, 1.04 mmol) described in Example 27A was added as solution in DMF:THF (2:1). The reaction mixture was then stirred overnight. Completion of the reaction was monitored by LCMS. The reaction mixture was diluted with ethyl acetate and washed the ethyl acetate layer with water and brine successively. The organic layer was dried (Na2SO4) concentrated to dryness to afford the pure 1-(5-tert-butyl-isoxazol-3-yl)-3-{3-[7-(3-chloro-propoxy)-6-methoxy-quinazolin-4-ylsulfanyl]-phenyl}-urea (480 mg, 85%) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 9.60 (s, 1H), 9.05 (s, 1H), 8.68 (s, 1H), 7.85 (s, 1H), 7.60-7.28 (m, 5H), 6.50 (s, 1H), 4.35 (t, 2H), 4.05 (s, 3H), 3.82 (t, 2H), 1.30 (s, 9H); LC-MS (ESI) m/z 542 (M+H)+.

後処理

  1. stirringThe reaction mixture was then stirred overnight
  2. washwashed the ethyl acetate layer with water and brine successively
  3. dry with materialThe organic layer was dried (Na2SO4)
  4. concentrationconcentrated to dryness

出典と根拠

ORDレコード
ord-6b5dfa0de07e4ad992ae0e05a54d9432
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09320739B2

反応ノート

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