Water → 4-(4-oxo-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]pyridin-3-yl)thiophene-2-carboxamide

HRID 2206024Notes

Reaction equation

HRID 2206024 reaction equation
[O:1]=[C:2]1[C:7]2[C:8]([C:17]3[CH:18]=[C:19]([C:22]([OH:24])=O)[S:20][CH:21]=3)=[N:9][N:10]([CH:11]3[CH2:16][CH2:15][O:14][CH2:13][CH2:12]3)[C:6]=2[CH:5]=[CH:4][NH:3]1.CC[N:27]=C=NCCCN(C)C.Cl.O>CN(C=O)C>[O:1]=[C:2]1[C:7]2[C:8]([C:17]3[CH:18]=[C:19]([C:22]([NH2:27])=[O:24])[S:20][CH:21]=3)=[N:9][N:10]([CH:11]3[CH2:12][CH2:13][O:14][CH2:15][CH2:16]3)[C:6]=2[CH:5]=[CH:4][NH:3]1

Participants

5

Reactant 3

HCID 962WaterHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 1370106064-(4-oxo-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]pyridin-3-yl)thiophene-2-carboxylic acid

Product 1

HCID 1370107824-(4-oxo-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]pyridin-3-yl)thiophene-2-carboxamideYield 86.9%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A solution of 4-(4-oxo-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]pyridin-3-yl)thiophene-2-carboxylic acid (105 mg) obtained in Example 23, HOBt ammonium salt (139 mg) and EDCI hydrochloride (175 mg) in DMF (15 mL) was stirred overnight at room temperature. To the reaction mixture was added water, and the mixture was extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane/methanol) to give the title compound (91 mg).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed successively with water and saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane/methanol)

Sources & evidence

ORD record
ord-2c4e70cb537640cf9a6d9d02a7048486
Source dataset
uspto-grants-2016_06
Patent number
US09371320B2

Reaction notes

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