Potassium Carbonate → 3-(4-Chloro-phenyl)-1-ethyl-1-(1-{3-[7-(1-hydroxy-1-methyl-ethyl)-11H-10-oxa-1-aza-dibenzo[a,d]cyclohepten-5-ylidene]-propyl}-pyrrolidin-3-yl)-urea

HRID 457186Notes

Reaction equation

HRID 457186 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:9](=[O:18])[N:10]([CH2:16][CH3:17])[CH:11]2[CH2:15][CH2:14][NH:13][CH2:12]2)=[CH:4][CH:3]=1.C(=O)([O-])[O-].[K+].[K+].Br[CH2:26][CH2:27]/[CH:28]=[C:29]1/[C:30]2[CH:43]=[C:42]([C:44]([OH:47])([CH3:46])[CH3:45])[CH:41]=[CH:40][C:31]=2[O:32][CH2:33][C:34]2[N:39]=[CH:38][CH:37]=[CH:36][C:35]/1=2>C(#N)C.O>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:9](=[O:18])[N:10]([CH2:16][CH3:17])[CH:11]2[CH2:15][CH2:14][N:13]([CH2:26][CH2:27][CH:28]=[C:29]3[C:35]4[CH:36]=[CH:37][CH:38]=[N:39][C:34]=4[CH2:33][O:32][C:31]4[CH:40]=[CH:41][C:42]([C:44]([OH:47])([CH3:46])[CH3:45])=[CH:43][C:30]3=4)[CH2:12]2)=[CH:4][CH:3]=1

Participants

5

Conditions

Temperature
50 °C

Procedure

To a solution of 3-(4-chloro-phenyl)-1-ethyl-1-pyrrolidin-3-yl-urea (0.21 g, 0.8 mmol) in acetonitrile:water (4:1) was added potassium carbonate (0.16 g, 0.8 mmol) and (E)-2-[5-(3-bromo-propylidene)-5,11-dihydro-10-oxa-1-aza-dibenzo[a,d]cyclohepten-7-yl]-propan-2-ol (0.15 g, 0.4 mmol) and the resulting mixture was stirred at 50° C. for 24 h. The reaction mixture was concentrated in vacuo, diluted with ethyl acetate, and dried over sodium sulfate. The crude product was purified by flash chromatography on silica using gradient elution from ethyl acetate/methanol (5%) to ethyl acetate/methanol (10%) to give the desired product as yellow solid. 1H-NMR (CDCl3) δ: 1.05 (3H, t), 1.40 (6H, s), 1.80 (1H, m), 2.20–2.40 (3H, m), 2.50–3.00 (8H, m), 3.40 (4H, q and m), 4.20 (1H, m), 5.20 (2H, br, s), 6.20 (1H, t), 6.65(1H, d), 7.00 (2H, dd), 7.20–7.40 (5H, m), 7.70 (1H, dd), 8.50 (1H, dd) 9.80 (1H, br s). ESI-MS m/z: 561 (M+1), UV retention time: 1.45 min.

Workup

  1. concentrationThe reaction mixture was concentrated in vacuo
  2. additiondiluted with ethyl acetate
  3. dry with materialdried over sodium sulfate
  4. customThe crude product was purified by flash chromatography on silica using gradient elution from ethyl acetate/methanol (5%) to ethyl acetate/methanol (10%)

Sources & evidence

ORD record
ord-3e8b244c14a443b5a73176a44b191af5
Source dataset
uspto-grants-2007_03
Patent number
US07186729B2

Reaction notes

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