pentafluorophenyl 4-[N'-(2-methylphenyl)ureido]phenylacetate → ethyl (E)-4-[2-[1-[4-[N'-(2-methylphenyl)ureido]phenylacetyl]-2-pyrrolidinyl]ethenyl]benzoate

HRID 350330Notes

Reaction equation

HRID 350330 reaction equation
[NH:1]1[CH2:5][CH2:4][CH2:3][CH:2]1/[CH:6]=[CH:7]/[C:8]1[CH:18]=[CH:17][C:11]([C:12]([O:14][CH2:15][CH3:16])=[O:13])=[CH:10][CH:9]=1.[CH3:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=1[NH:26][C:27](=[O:50])[NH:28][C:29]1[CH:34]=[CH:33][C:32]([CH2:35][C:36](OC2C(F)=C(F)C(F)=C(F)C=2F)=[O:37])=[CH:31][CH:30]=1>CN(C=O)C.CCOC(C)=O>[CH3:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=1[NH:26][C:27](=[O:50])[NH:28][C:29]1[CH:34]=[CH:33][C:32]([CH2:35][C:36]([N:1]2[CH2:5][CH2:4][CH2:3][CH:2]2/[CH:6]=[CH:7]/[C:8]2[CH:18]=[CH:17][C:11]([C:12]([O:14][CH2:15][CH3:16])=[O:13])=[CH:10][CH:9]=2)=[O:37])=[CH:31][CH:30]=1

Participants

5

Reactant 2

HCID 23512272pentafluorophenyl 4-[N'-(2-methylphenyl)ureido]phenylacetateHCID 86595069ethyl (E)-4-[2-(2-pyrrolidinyl)ethenyl]benzoate

Product 1

HCID 86595071ethyl (E)-4-[2-[1-[4-[N'-(2-methylphenyl)ureido]phenylacetyl]-2-pyrrolidinyl]ethenyl]benzoateYield 100%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

A mixture of ethyl (E)-4-[2-(2-pyrrolidinyl)ethenyl]benzoate (434 mg, 1.77 mmol), pentafluorophenyl 4-[N′-(2-methylphenyl)ureido]phenylacetate (797 mg, 1.77 mmol), Et3 N (0.37 mL, 2.66 mmol) in DMF (15 mL) was stirred for 15 hr. The mixture was diluted with EtOAc (300 mL). The solution was washed with brine (2×200 mL), dried over MgSO4, and evaporated off in vacuo. The residue was chromatographed on silica-gel with CHCl3-EtOAc (4:1) as eluent to give 906 mg (q.y.) ethyl (E)-4-[2-[1-[4-[N′-(2-methylphenyl)ureido]phenylacetyl]-2-pyrrolidinyl]ethenyl]benzoate as a brown oil. 1H-NMR (CDCl3) δ 1.39 (3 H, t, J=7.3 Hz), 1.83–2.20 (4 H, series of m), 2.24 (3 H, d, J=4.9 Hz), 3.63 (4 H, m), 4.36 (2 H, q, J=7.3 Hz), 4.62 and 4.84 (total 1 H, m), 6.18–6.47 (2 H, m), 7.03–8.02 (14 H, series of m).

Workup

  1. washThe solution was washed with brine (2×200 mL)
  2. dry with materialdried over MgSO4
  3. customevaporated off in vacuo
  4. customThe residue was chromatographed on silica-gel with CHCl3-EtOAc (4:1) as eluent

Sources & evidence

ORD record
ord-b9a04905743944029859a26c4f94d678
Source dataset
uspto-grants-2007_02
Patent number
US07179819B2

Reaction notes

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