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Toluene → 6-Bromo-2-(1-phenyl-2-propyl)-isoquinolin-1-one

HRID 1037620
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HRID 1037620 반응식
[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8]([OH:12])=[N:7][CH:6]=[CH:5]2.BrC[CH:15]([C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)[CH3:16].[OH-].[Na+].[C:25]1(C)C=CC=CC=1>[Br-].C([N+](CCCC)(CCCC)CCCC)CCC.C(OCC)C>[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[N:7]([CH:16]([CH3:25])[CH2:15][C:17]1[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1)[CH:6]=[CH:5]2
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참가 물질

7

반응물 4

HCID 1140TolueneHCID 14798Sodium HydroxideHCID 978131-Bromo-2-phenylpropaneHCID 178517609HCID 178517609, 화합물

생성물 1

HCID 667327436-Bromo-2-(1-phenyl-2-propyl)-isoquinolin-1-one수율 32%

시약·촉매·용매 2

HCID 74236Tetrabutylammonium Bromide
촉매
HCID 3283Diethyl Ether용매

반응 조건

온도
70 °C

실험 절차

6-Bromo-1-hydroxyisoquinoline (150 mg, 0.67 mmol, 1.0 equiv), tetrabutylammonium bromide (25 mg, 0.07 mmol, 0.1 equiv), and 1-bromo-2-phenylpropane (160 uL, 0.8 mmol, 1.2 equiv) were combined in toluene (10 mL) and treated with 50% aq. NaOH (2 mL), and the resulting mixture was stirred rapidly and heated at 70° C. After heating for an additional 14 hours, the mixture was diluted with diethyl ether and washed with water and brine. The organic phase was dried over Na2SO4 and concentrated. Purification of the residue using flash silica gel chromatography (gradient of 2-15% ethyl acetate/hexanes) gave 6-bromo-2-(1-phenyl-2-propyl)-isoquinolin-1-one (74 mg, 0.22 mmol, 32%) as a colorless oil. This isoquinolinone (74 mg, 0.22 mmol) was converted, via Methods 1 and 2, to a 1:1 mixture of compound 6 and 6-hydroxy-2-(1-phenyl-2-propyl)-isoquinolin-1-one that was isolated as 44 mg of a white solid (33% of 6). [M−H]−=306.1 m/z. Activity: B

후처리

  1. temperatureAfter heating for an additional 14 hours
  2. washwashed with water and brine
  3. dry with materialThe organic phase was dried over Na2SO4
  4. concentrationconcentrated
  5. customPurification of the residue

출처 및 근거

ORD 기록
ord-efe5a5d985cb45d18bdcd47241170492
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08546564B2

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