Water → ethyl{4-[(2-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1,3-thiazol-5-yl)methyl]piperazin-1-yl)acetate

HRID 2238918Notes

Reaction equation

HRID 2238918 reaction equation
Cl[CH2:2][C:3]1[S:7][C:6]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][CH:13]=[CH:12][C:11]=3[N:17]([CH3:26])[S:18]([C:21]2[S:22][CH:23]=[CH:24][CH:25]=2)(=[O:20])=[O:19])=[N:5][CH:4]=1.[N:27]1([CH2:33][C:34]([O:36][CH2:37][CH3:38])=[O:35])[CH2:32][CH2:31][NH:30][CH2:29][CH2:28]1.C(N(CC)CC)C.O>CN(C)C=O>[CH3:26][N:17]([S:18]([C:21]1[S:22][CH:23]=[CH:24][CH:25]=1)(=[O:20])=[O:19])[C:11]1[CH:12]=[CH:13][CH:14]=[C:15]2[C:10]=1[NH:9][C:8]([C:6]1[S:7][C:3]([CH2:2][N:30]3[CH2:29][CH2:28][N:27]([CH2:33][C:34]([O:36][CH2:37][CH3:38])=[O:35])[CH2:32][CH2:31]3)=[CH:4][N:5]=1)=[CH:16]2

Participants

6

Reactant 4

HCID 962WaterHCID 8471TriethylamineHCID 207112Ethyl piperazine-1-acetateHCID 57475969N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide

Product 1

HCID 59303517ethyl{4-[(2-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1,3-thiazol-5-yl)methyl]piperazin-1-yl)acetateYield 57.5%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide (0.700 g) in N,N-dimethylformamide (16 ml) were added ethyl piperazin-1-ylacetate (0.568 g) and triethylamine (0.46 ml), and the mixture was stirred at room temperature for 5 hr. Water was added to the reaction solution, and the mixture was extracted with ethyl acetate. The extract was washed successively with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by basic silica gel column chromatography (ethyl acetate:hexane=50:50-100:0), and recrystallized from ethyl acetate-hexane to give the title compound (0.531 g, yield 57%) as colorless crystals.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed successively with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by basic silica gel column chromatography (ethyl acetate:hexane=50:50-100:0)
  6. customrecrystallized from ethyl acetate-hexane

Sources & evidence

ORD record
ord-1bb8d395b5fc452caabc349c63b3fbeb
Source dataset
uspto-grants-2010_05
Patent number
US07718798B2

Reaction notes

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