Phthalimide → HCID 57707857, compound

HRID 216899Notes

Reaction equation

HRID 216899 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[C:17]([CH:18](O)[CH3:19])=[CH:16][C:15]2[C:10](=[CH:11][C:12]([F:21])=[CH:13][CH:14]=2)[N:9]=1.O1CCCC1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[C:46]1(=[O:56])[NH:50][C:49](=[O:51])[C:48]2=[CH:52][CH:53]=[CH:54][CH:55]=[C:47]12.N(C(OC(C)C)=O)=NC(OC(C)C)=O>>[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[C:17]([CH:18]([N:50]2[C:46](=[O:56])[C:47]3[C:48](=[CH:52][CH:53]=[CH:54][CH:55]=3)[C:49]2=[O:51])[CH3:19])=[CH:16][C:15]2[C:10](=[CH:11][C:12]([F:21])=[CH:13][CH:14]=2)[N:9]=1

Participants

6

Reactant 5

HCID 6809PhthalimideHCID 8028TetrahydrofuranHCID 11776TriphenylphosphineHCID 75555Diisopropyl diazene-1,2-dicarboxylateHCID 57707923HCID 57707923, compound

Product 1

HCID 57707857HCID 57707857, compound

Procedure

To a solution of 1-(2-(2-chlorophenyl)-7-fluoroquinolin-3-yl)ethanol (0.7018 g, 2.326 mmol) in tetrahydrofuran (23.26 mL, 2.326 mmol) were added triphenylphosphine (1.220 g, 4.652 mmol), phthalimide (0.6844 g, 4.652 mmol), and diisopropyl azodicarboxylate (0.9159 mL, 4.652 mmol). The reaction mixture was stirred at room temperature. After 2 h, the mixture was concentrated under reduced pressure and partitioned between EtOAc (100 mL) and brine (100 mL). The organic layer was dried over Na2SO4, filtered, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography on a 80 g of Redi-Sep™ column using 0 to 50% gradient of EtOAc in hexane over 25 min and 50% isocratic of EtOAc in hexane for 10 min as eluent to 2-(1-(2-(2-chlorophenyl)-7-fluoroquinolin-3-yl)ethyl)isoindoline-1,3-dione as an off-white solid: LC-MS (ESI) m/z 431.0 [M+H]+.

Workup

  1. concentrationthe mixture was concentrated under reduced pressure
  2. custompartitioned between EtOAc (100 mL) and brine (100 mL)
  3. dry with materialThe organic layer was dried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography on a 80 g of Redi-Sep™ column
  7. customover 25 min
  8. wait50% isocratic of EtOAc in hexane for 10 min as eluent to 2-(1-(2-(2-chlorophenyl)-7-fluoroquinolin-3-yl)ethyl)isoindoline-1,3-dione as an off-white solid

Sources & evidence

ORD record
ord-dcf1453e34c94f0393758088167fcfab
Source dataset
uspto-grants-2012_06
Patent number
US08193199B2

Reaction notes

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