Cesium carbonate → 6-(4-Chloro-benzoyl)-1-cyclopropylmethyl4-(3-iodo-phenyl)-1H-quinolin-2-one

HRID 1858131Notes

Reaction equation

HRID 1858131 reaction equation
[Cl:1][C:2]1[CH:27]=[CH:26][C:5]([C:6]([C:8]2[CH:9]=[C:10]3[C:15](=[CH:16][CH:17]=2)[NH:14][C:13](=[O:18])[CH:12]=[C:11]3[C:19]2[CH:24]=[CH:23][CH:22]=[C:21]([I:25])[CH:20]=2)=[O:7])=[CH:4][CH:3]=1.C(=O)([O-])[O-].[Cs+].[Cs+].Br[CH2:35][CH:36]1[CH2:38][CH2:37]1>CN(C=O)C.ClCCl>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:6]([C:8]2[CH:9]=[C:10]3[C:15](=[CH:16][CH:17]=2)[N:14]([CH2:35][CH:36]2[CH2:38][CH2:37]2)[C:13](=[O:18])[CH:12]=[C:11]3[C:19]2[CH:24]=[CH:23][CH:22]=[C:21]([I:25])[CH:20]=2)=[O:7])=[CH:26][CH:27]=1

Participants

6

Reactant 3

HCID 10796Cesium carbonateHCID 81503BromomethylcyclopropaneHCID 154896296-(4-Chloro-benzoyl)-4-(3-iodo-phenyl)-1H-quinolin-2-one

Product 1

HCID 185164516-(4-Chloro-benzoyl)-1-cyclopropylmethyl4-(3-iodo-phenyl)-1H-quinolin-2-oneYield 63.2%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 6344DichloromethaneSolvent

Procedure

A solution of 6-(4-Chloro-benzoyl)-4-(3-iodo-phenyl)-1H-quinolin-2-one (9.68 g, 19.9 mmol), prepared as described in PCT international patent application publication number WO 97/21701 (published Jun. 19, 1997) (3.10 g, 7.87 mmol) in DMF (70 mL) was treated with cesium carbonate (23.1 g, 19.9 mmol) and (bromomethyl)cyclopropane (5.37 g, 39.8 mmol). The reaction mixture was stirred at room temperature for 12 hours, diluted with dichloromethane (75 mL), and washed with 1N HCl (2×50 mL) and brine (100 mL). The combined organic extracts were dried (MgSO4), filtered, and concentrated in vacuo to give a black residue. Purification by flash column chromatography (silica, ethyl acetate:petroleum ether 1:9-3:7) gave 6-(4-Chloro-benzoyl)-1-cyclopropylmethyl4-(3-iodo-phenyl)-1H-quinolin-2-one (6.79 g, 63%) as a yellow solid.

Workup

  1. washwashed with 1N HCl (2×50 mL) and brine (100 mL)
  2. dry with materialThe combined organic extracts were dried (MgSO4)
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customto give a black residue
  6. customPurification by flash column chromatography (silica, ethyl acetate:petroleum ether 1:9-3:7)

Sources & evidence

ORD record
ord-1de3b9d059ca4d8494af53a47f9bee53
Source dataset
uspto-grants-2000_11
Patent number
US06150377

Reaction notes

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