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Cesium carbonate → (r/s)-3-(Tert-butoxycarbonylamino)-1-[4-(tert-butoxycarbonylamino)-5-isoquinolinesulfonyl]pyrrolidine

HRID 1436029
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HRID 1436029 반응식
[C:1]([O:5][C:6]([NH:8][CH:9]1[CH2:13][CH2:12][N:11]([S:14]([C:17]2[C:18]3[C:19](Br)=[CH:20][N:21]=[CH:22][C:23]=3[CH:24]=[CH:25][CH:26]=2)(=[O:16])=[O:15])[CH2:10]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C1(P(C2C=CC=CC=2)C2C=CC3C(=CC=CC=3)C=2C2C3C(=CC=CC=3)C=CC=2P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[C:74](=[O:81])([O:76][C:77]([CH3:80])([CH3:79])[CH3:78])[NH2:75].C(=O)([O-])[O-].[Cs+].[Cs+]>C1(C)C=CC=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].C(OCC)(=O)C>[C:1]([O:5][C:6]([NH:8][CH:9]1[CH2:13][CH2:12][N:11]([S:14]([C:17]2[C:18]3[C:19]([NH:75][C:74]([O:76][C:77]([CH3:80])([CH3:79])[CH3:78])=[O:81])=[CH:20][N:21]=[CH:22][C:23]=3[CH:24]=[CH:25][CH:26]=2)(=[O:16])=[O:15])[CH2:10]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
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참가 물질

8

반응물 4

HCID 10796Cesium carbonateHCID 77922tert-Butyl carbamateHCID 634876Binap, (A+-)-HCID 67242856(r/s)-3-(Tert-butoxycarbonylamino)-1-(4-bromo-5-isoquinolinesulfonyl)pyrrolidine

생성물 1

HCID 67243815(r/s)-3-(Tert-butoxycarbonylamino)-1-[4-(tert-butoxycarbonylamino)-5-isoquinolinesulfonyl]pyrrolidine수율 32.5%

시약·촉매·용매 3

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 1140Toluene용매HCID 8857Ethyl Acetate용매

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온도
100 °C

실험 절차

A suspension of Intermediate 1 (137 mg) obtained in Example 1, Step A, tris(dibenzylideneacetone)dipalladium(0) (55 mg, Aldrich), (±)-2,2′-bis(diphenylphosphino)-1,1′-binaphthyl (37 mg, Aldrich), tert-butyl carbamate (70 mg, Aldrich), and cesium carbonate (196 mg, Aldrich) in toluene (5 ml) is stirred at 100° C. for 15 hours. The reaction mixture is cooled to room temperature, and then added with ethyl acetate (5 ml), and the insoluble matters are removed by filtration through Celite. The solvent is evaporated under reduced pressure, and the residue is purified by silica gel chromatography (n-hexane:ethyl acetate=1:1) to obtain the title compound (48 mg (predictive yield)).

후처리

  1. temperatureThe reaction mixture is cooled to room temperature
  2. customthe insoluble matters are removed by filtration through Celite
  3. customThe solvent is evaporated under reduced pressure
  4. customthe residue is purified by silica gel chromatography (n-hexane:ethyl acetate=1:1)

출처 및 근거

ORD 기록
ord-7d270ce7352342e3bbb64b8723136af7
출처 데이터셋
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07618984B2

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