Reaction #53291

ord-a34f19a05687428f86ad9e7ff33d7755

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    FiltrationThe occuring white precipitate was filtered
  2. 2
    Washwashed with water
  3. 3
    Otherdried under vacuum

Procedure

To a solution of Ethyl 4-(4-(2,5-dimethylbenzyloxy)phenyl)-4-oxobutyrate (Step B, 2.62 g, 7.7 mmol) in abs ethanol (30 ml) was added 1N NaOH (10 ml) at room temperature. The reaction mixture was stirred for 3 hours and then acidified with 1M HCl. The occuring white precipitate was filtered, washed with water and dried under vacuum to provide the title compound as a white solid.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US06858602B2uspto-grants-2005_02