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

HRID 631258
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HRID 631258 반응식
[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]([OH:20])[CH:15]=2)=[O:12])[CH:6]=1)([CH3:4])([CH3:3])[CH3:2].Cl[C:22]1[C:31]2[C:26](=[CH:27][C:28]([O:34][CH2:35][CH2:36][CH2:37][Cl:38])=[C:29]([O:32][CH3:33])[CH:30]=2)[N:25]=[CH:24][N:23]=1.C([O-])([O-])=O.[Cs+].[Cs+]>C1COCC1.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]([O:20][C:22]3[C:31]4[C:26](=[CH:27][C:28]([O:34][CH2:35][CH2:36][CH2:37][Cl:38])=[C:29]([O:32][CH3:33])[CH:30]=4)[N:25]=[CH:24][N:23]=3)[CH:15]=2)=[O:12])[CH:6]=1)([CH3:4])([CH3:2])[CH3:3]
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참가 물질

6

반응물 3

HCID 10796Cesium carbonateHCID 574472274-Chloro-7-(3-chloropropoxy)-6-methoxyquinazolineHCID 668765951-(5-Tert-butylisoxazol-3-yl)-3-(3-hydroxyphenyl)urea

생성물 1

HCID 668760291-(5-Tert-butyl-isoxazol-3-yl)-3-{3-[7-(3-chloro-propoxy)-6-methoxy-quinazolin-4-yloxy]-phenyl}-urea수율 61%

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
HCID 8857Ethyl Acetate용매

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온도
50 °C

실험 절차

To a solution of (1-(5-tert-butyl-isoxazol-3-yl)-3-(3-hydroxy-phenyl)-urea, 300 mg, 1.089 mmol) from Example 1A and (4-chloro-7-(3-chloro-propoxy)-6-methoxy-quinazoline (343.96 mg, 1.119 mmol), from the previous step in THF, was added Cs2CO3 (532.2 mg, 1.63 mmol) and the mixture was heated at 50° C. for 12 hours. Completion of the reaction was monitored by LCMS. The reaction mixture was diluted with ethyl acetate and the ethyl acetate layer was washed with water and brine successively. The organic layer was dried (Na2SO4) and concentrated to dryness. The crude compound was purified by column chromatography to afford the pure compound 1-(5-tert-butyl-isoxazol-3-yl)-3-{3-[7-(3-chloro-propoxy)-6-methoxy-quinazolin-4-yloxy]-phenyl}-urea, (310 mg, 61%) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 9.55 (s, 1H), 9.00 (s, 1H), 8.55 (s, 1H), 7.55 (m, 2H), 7.40 (m, 2H), 7.25 (d, 1H), 6.95 (d, 1H), 6.45 (s, 1H), 4.35 (t, 2H), 4.00 (s, 3H), 3.85 (2, 2H), 1.30 (s, 9H); LC-MS (ESI)m/z 526 (M+H)+.

후처리

  1. washthe ethyl acetate layer was washed with water and brine successively
  2. dry with materialThe organic layer was dried (Na2SO4)
  3. concentrationconcentrated to dryness
  4. customThe crude compound was purified by column chromatography

출처 및 근거

ORD 기록
ord-23824cb6d9bb43c9be51cce5d02fcad2
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09320739B2

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