1,2-Dichloroethane → (E)-3-(6-aminopyridin-3-yl)-N-(1-ethyl-1H-indol-3-ylmethyl)-N-methylacrylamide

HRID 1297442Notes

Reaction equation

HRID 1297442 reaction equation
C(Cl)CCl.[NH2:5][C:6]1[N:11]=[CH:10][C:9](/[CH:12]=[CH:13]/[C:14]([OH:16])=O)=[CH:8][CH:7]=1.[CH2:17]([N:19]1[C:27]2[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=2)[C:21]([CH2:28][NH:29][CH3:30])=[CH:20]1)[CH3:18].C1C=CC2N(O)N=NC=2C=1.O.C(N(C(C)C)CC)(C)C>CN(C=O)C>[NH2:5][C:6]1[N:11]=[CH:10][C:9](/[CH:12]=[CH:13]/[C:14]([N:29]([CH2:28][C:21]2[C:22]3[C:27](=[CH:26][CH:25]=[CH:24][CH:23]=3)[N:19]([CH2:17][CH3:18])[CH:20]=2)[CH3:30])=[O:16])=[CH:8][CH:7]=1

Participants

8

Reactant 6

HCID 111,2-DichloroethaneHCID 962WaterHCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 10487224(2E)-3-(6-aminopyridin-3-yl)prop-2-enoic acidHCID 221391011-ethyl-3-(methylaminomethyl)-1H-indole

Product 1

HCID 10065482(E)-3-(6-aminopyridin-3-yl)-N-(1-ethyl-1H-indol-3-ylmethyl)-N-methylacrylamideYield 52%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

EDC (0.56 g, 2.93 mmole) was added to a solution of (E)-3-(6-aminopyridin-3-yl)acrylic acid (0.48 g, 2.93 mmole), 1-ethyl-3-(methylaminomethyl)-1H-indole (0.50 g. 2.66 mmole), HOBt.H2O (0.40 g, 2.93 mmole) and diisopropylethylamine (0.93 mL, 5.32 mmole) in DMF (30 mL) at RT. The reaction was stirred overnight then was concentrated in vacuo. The residue was diluted with water and extracted with ethyl acetate. The combined organic extracts were washed with brine and dried over Na2SO4. Flash chromatography on silica gel (10% MeOH/CHCl3) gave title compound (0.46 g, 52%) as a yellow solid after drying in vacuo: MS (ES) m/e 335 (M+H)+.

Workup

  1. customat RT
  2. concentrationthen was concentrated in vacuo
  3. additionThe residue was diluted with water
  4. extractionextracted with ethyl acetate
  5. washThe combined organic extracts were washed with brine
  6. dry with materialdried over Na2SO4

Sources & evidence

ORD record
ord-394c155b3d9f45738434ba08595da14f
Source dataset
uspto-grants-2007_07
Patent number
US07250424B2

Reaction notes

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