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Ethyl bromoacetate → Ethyl[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3,4-dihydro-2(1H)-isoquinolinyl]acetate formic acid

HRID 2059926
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인쇄 미리보기

반응식

HRID 2059926 반응식
[CH3:1][CH:2]([O:4][C:5]1[CH:12]=[CH:11][C:10]([C:13]2[O:17][N:16]=[C:15]([C:18]3[CH:27]=[CH:26][CH:25]=[C:24]4[C:19]=3[CH2:20][CH2:21][NH:22][CH2:23]4)[N:14]=2)=[CH:9][C:6]=1[C:7]#[N:8])[CH3:3].Br[CH2:29][C:30]([O:32][CH2:33][CH3:34])=[O:31].C([O-])([O-])=O.[Cs+].[Cs+]>CN(C=O)C>[CH:30]([OH:32])=[O:31].[CH2:33]([O:32][C:30](=[O:31])[CH2:29][N:22]1[CH2:21][CH2:20][C:19]2[C:24](=[CH:25][CH:26]=[CH:27][C:18]=2[C:15]2[N:14]=[C:13]([C:10]3[CH:11]=[CH:12][C:5]([O:4][CH:2]([CH3:1])[CH3:3])=[C:6]([C:7]#[N:8])[CH:9]=3)[O:17][N:16]=2)[CH2:23]1)[CH3:34]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 7748Ethyl bromoacetateHCID 10796Cesium carbonateHCID 441248992-[(1-Methylethyl)oxy]-5-[3-(1,2,3,4-tetrahydro-5-isoquinolinyl)-1,2,4-oxadiazol-5-yl]benzonitrile

생성물 1

HCID 131729974Ethyl[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3,4-dihydro-2(1H)-isoquinolinyl]acetate formic acid

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

실험 절차

A suspension of 2-[(1-methylethyl)oxy]-5-[3-(1,2,3,4-tetrahydro-5-isoquinolinyl)-1,2,4-oxadiazol-5-yl]benzonitrile (Example 3, 28.8 mg, 0.080 mmol), ethyl bromoacetate (35.5 μl, 0.32 mmol) and Cs2CO3 (130 mg, 0.40 mmol) in DMF (2 mL) was stirred at room temperature for 1 h, and then irradiated to 60° C. for 5 min in the microwave. The suspension was added to an SCX cartridge, and the product eluted with methanolic ammonia. Concentration in vacuo gave a crude product (43 mg) that was purified by MDAP to give the title compound as a clear film (11.6 mg, 32%). 1H NMR (400 MHz, CDCl3) δ 8.41 (1H, d), 8.33 (1H, dd), 8.09 (1H, br. s), 8.01 (1H, d), 7.34 (1H, apparent t), 7.21 (1H, d), 7.12 (1H, d), 4.80 (1H, sept), 4.24 (2H, q), 4.00 (2H, s), 3.52 (2H, s), 3.35 (2H, t), 3.07 (2H, t), 1.48 (6H, d), 1.31 (3H, t); m/z (ES) 447 [M+H]+.

후처리

  1. customirradiated to 60° C. for 5 min in the microwave
  2. additionThe suspension was added to an SCX cartridge
  3. washthe product eluted with methanolic ammonia
  4. concentrationConcentration in vacuo
  5. customgave a crude product (43 mg) that
  6. customwas purified by MDAP

출처 및 근거

ORD 기록
ord-f5646bcb51044bdd9cbbbd4be5649cc0
출처 데이터셋
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08278324B2

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