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Trifluoroacetic acid → 3-[1-(3,5-dimethyl-1H-pyrrol-2-yl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indole-1-carboxylic acid 2-carboxy-2-hydroxy-ethyl ester

HRID 1827004
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인쇄 미리보기

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HRID 1827004 반응식
[CH3:1][C:2]1[CH:6]=[C:5]([CH3:7])[NH:4][C:3]=1/[CH:8]=[C:9]1\[C:10](=[O:25])[N:11]([C:18](N2C=CN=C2)=[O:19])[C:12]2[C:17]\1=[CH:16][CH:15]=[CH:14][CH:13]=2.[CH2:26]([OH:32])[C@H:27]([OH:31])[C:28]([OH:30])=[O:29].C(O)(C(F)(F)F)=O>C1COCC1>[C:28]([CH:27]([OH:31])[CH2:26][O:32][C:18]([N:11]1[C:12]2[C:17](=[CH:16][CH:15]=[CH:14][CH:13]=2)/[C:9](=[CH:8]/[C:3]2[NH:4][C:5]([CH3:7])=[CH:6][C:2]=2[CH3:1])/[C:10]1=[O:25])=[O:19])([OH:30])=[O:29]
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참가 물질

5

반응물 3

HCID 6422Trifluoroacetic acidHCID 6326776L-Glyceric acidHCID 601112313-[1-(3,5-Dimethyl-1h-pyrrol-2-yl)-meth-(z)-ylidene]-1-(imidazol-1-ylcarbonyl)-1,3-dihydro-indol-2-one

생성물 1

HCID 601112213-[1-(3,5-dimethyl-1H-pyrrol-2-yl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indole-1-carboxylic acid 2-carboxy-2-hydroxy-ethyl ester수율 8.1%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

A reaction mixture of 3-[1-(3,5-dimethyl-1h-pyrrol-2-yl)-meth-(z)-ylidene]-1-(imidazol-1-ylcarbonyl)-1,3-dihydro-indole-2-one (166 mg, 0.5 mmol), L-glyceric acid (432 mg, 1.5 mmol), and TFA (399 mg, 3.5 mmol) in 3 mL of THF was stirred at room temperature for 4 h and concentrated. The residue was purified by silica gel chromatography eluting with ethyl acetate-hexane (1:4) followed by 1% of acetic acid in ethylacetate-hexane (1:1) to afford 15 mg (8%) of 3-[1-(3,5-dimethyl-1H-pyrrol-2-yl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indole-1-carboxylic acid 2-carboxy-2-hydroxy-ethyl ester as a red solid. MS m/z (relative intensity, %) 371 (100, [M+1]+.).

후처리

  1. concentrationconcentrated
  2. customThe residue was purified by silica gel chromatography
  3. washeluting with ethyl acetate-hexane (1:4)

출처 및 근거

ORD 기록
ord-4278333592d44d74bea623bbca79b406
출처 데이터셋
uspto-grants-2006_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07053114B2

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