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Water → 3-[3-(4-methyl-1-phenyl-pent-(Z)-ylidene)-2-oxo-2,3-dihydro-indol-1-ylmethyl]-benzoic acid

HRID 1623475
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HRID 1623475 반응식
C[O:2][C:3](=[O:33])[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([CH2:10][N:11]2[C:19]3[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=3)/[C:13](=[C:20](/[C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=3)\[CH2:21][CH2:22][CH:23]([CH3:25])[CH3:24])/[C:12]2=[O:32])[CH:5]=1.O.O[Li].O>C1COCC1>[CH3:24][CH:23]([CH3:25])[CH2:22][CH2:21]/[C:20](=[C:13]1/[C:12](=[O:32])[N:11]([CH2:10][C:6]2[CH:5]=[C:4]([CH:9]=[CH:8][CH:7]=2)[C:3]([OH:33])=[O:2])[C:19]2[C:14]/1=[CH:15][CH:16]=[CH:17][CH:18]=2)/[C:26]1[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=1
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참가 물질

5

반응물 3

HCID 962WaterHCID 168937Lithium hydroxide, monohydrateHCID 510344403-{3-[4-methyl-1-phenyl-pent-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester

생성물 1

HCID 510345533-[3-(4-methyl-1-phenyl-pent-(Z)-ylidene)-2-oxo-2,3-dihydro-indol-1-ylmethyl]-benzoic acid수율 47%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

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온도
50 °C

실험 절차

3-{3-[4-Methyl-1-phenyl-pent-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester (24 mg, 0.05 mmol) was dissolved in THF (1 ml) and water (1 ml) and LiOH.H2O (14 mg, 0.33 mmol) was added in one portion. The mixture was stirred at 50° C. for 16 h. The mixture was concentrated under reduced pressure and acidified to pH=3. Purification by preparative HPLC afforded 3-[3-(4-methyl-1-phenyl-pent-(Z)-ylidene)-2-oxo-2,3-dihydro-indol-1-ylmethyl]-benzoic acid 10 mg. 1H NMR (300 Hz, CDCl3): δ ppm 0.88 (d, 6H), 1.36-1.44 (m, 2H), 1.64-1.68 (m, 1H), 3.33-3.38 (m, 2H), 5.04 (s, 2H), 6.01 (d, 1H), 6.58-6.61 (m, 2H), 6.96-7.02 (t, 1H), 7.26-7.29 (m, 2H), 7.37 (t, 2H), 7.43-7.52 (m, 3H), 7.93 (d, 1H), 8.03 (s, 1H).

후처리

  1. concentrationThe mixture was concentrated under reduced pressure
  2. customPurification by preparative HPLC

출처 및 근거

ORD 기록
ord-3e40d30def2b47b298ddbaac0a287a39
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08778973B2

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