(E)-Ethyl 3-(4-((E)-1-(1H-indazol-5-yl)-2-phenylbut-1-en-1-yl)phenyl)acrylate → (E)-3-(4-(1-(1H-Indazol-5-yl)-2-phenylbut-1-en-1-yl)phenyl)propanoic acid

HRID 1057185Notes

Reaction equation

HRID 1057185 reaction equation
[NH:1]1[C:9]2[C:4](=[CH:5][C:6](/[C:10](/[C:20]3[CH:25]=[CH:24][C:23](/[CH:26]=[CH:27]/[C:28]([O:30]CC)=[O:29])=[CH:22][CH:21]=3)=[C:11](/[C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)\[CH2:12][CH3:13])=[CH:7][CH:8]=2)[CH:3]=[N:2]1.[H][H]>[Pd].CCO.CCOC(C)=O>[NH:1]1[C:9]2[C:4](=[CH:5][C:6](/[C:10](/[C:20]3[CH:21]=[CH:22][C:23]([CH2:26][CH2:27][C:28]([OH:30])=[O:29])=[CH:24][CH:25]=3)=[C:11](/[C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)\[CH2:12][CH3:13])=[CH:7][CH:8]=2)[CH:3]=[N:2]1

Participants

5

Reactant 2

HCID 66794771(E)-Ethyl 3-(4-((E)-1-(1H-indazol-5-yl)-2-phenylbut-1-en-1-yl)phenyl)acrylateHCID 178418361HCID 178418361, compound

Product 1

HCID 66802621(E)-3-(4-(1-(1H-Indazol-5-yl)-2-phenylbut-1-en-1-yl)phenyl)propanoic acidYield 48%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 21584252Ethanol ethylacetateSolvent

Procedure

A 10-mL recovery flask equipped with a magnetic stir bar and a rubber septum was charged with Compound 1 (50 mg, 0.126 mmol) and EtOH-EtOAc (1:1, 2.5 mL). To this solution, palladium on carbon (13 mg, 10% Pd/C) was added in one portion. The flask was equipped with a hydrogen balloon, and the resulting mixture was stirred at room temperature 36 h. This mixture was filtered through Celite, concentrated, and purified on a RP-C18 column using 30-100% acetonitrile in water in the presence of 0.1% TFA to afford the title compound (24 mg). 1H NMR (300 MHz, Acetone-d6): 6; 7.94 (s, 1H), 7.58 (br, 1H), 7.44 (d, 1H), 7.17-6.97 (m, 6H), 6.8-6.73 (m, 4H), 2.64 (t, 2H), 2.39-2.32 (m, 4H), 0.80 (t, 3H), (NH and CO2H protons not observed). LCMS: 397 (M+H)+.

Workup

  1. customA 10-mL recovery flask equipped with a magnetic stir bar
  2. filtrationThis mixture was filtered through Celite
  3. concentrationconcentrated
  4. custompurified on a RP-C18 column

Sources & evidence

ORD record
ord-a10bb0355a6d44b7927a7d344eace2b1
Source dataset
uspto-grants-2016_07
Patent number
US09399646B2

Reaction notes

Loading…