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Toluene → 2-(4-tert-butoxycarbonylbenzyl)-6-methyl-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic Acid Methyl Ester

HRID 750176
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HRID 750176 반응식
[CH3:1][O:2][C:3]([C:5]1[N:6]([CH2:23][C:24]2[CH:29]=[CH:28][C:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])=[CH:26][CH:25]=2)[C:7](=[O:22])[C:8]2[C:13]([C:14]=1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[CH:12][C:11](Br)=[CH:10][CH:9]=2)=[O:4].[CH3:37]B(O)O.C(=O)([O-])[O-].[K+].[K+].C1(C)C=CC=CC=1>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O.C1COCC1>[CH3:1][O:2][C:3]([C:5]1[N:6]([CH2:23][C:24]2[CH:29]=[CH:28][C:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])=[CH:26][CH:25]=2)[C:7](=[O:22])[C:8]2[C:13]([C:14]=1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[CH:12][C:11]([CH3:37])=[CH:10][CH:9]=2)=[O:4]
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참가 물질

8

반응물 4

HCID 1140TolueneHCID 11430Potassium CarbonateHCID 139377Methylboronic AcidHCID 691566226-bromo-2-(4-tert-butoxycarbonylbenzyl)-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic Acid Methyl Ester

생성물 1

HCID 691566112-(4-tert-butoxycarbonylbenzyl)-6-methyl-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic Acid Methyl Ester수율 86.2%

시약·촉매·용매 3

HCID 178418397HCID 178418397, 화합물촉매HCID 962Water용매HCID 8028Tetrahydrofuran용매

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온도
100 °C

실험 절차

A mixture of 6-bromo-2-(4-tert-butoxycarbonylbenzyl)-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic acid methyl ester (500 mg), methylboronic acid (270 mg), tetrakis(triphenylphosphine)palladium(0) (110 mg), potassium carbonate (380 mg), toluene (6 ml) and THF (4 ml) was stirred at 100° C. for 6 hrs. under a nitrogen atmosphere. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated brine. The solvent was dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (hexane-hexane:ethyl acetate=2:1) and recrystallized (ethyl acetate-hexane) to give the title compound (380 mg).

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialThe solvent was dried over anhydrous sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe obtained residue was purified by silica gel column chromatography (hexane-hexane:ethyl acetate=2:1)
  6. customrecrystallized (ethyl acetate-hexane)

출처 및 근거

ORD 기록
ord-103006a61ab64007942142f953f2aa32
출처 데이터셋
uspto-grants-2008_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07402595B2

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