B Preparation of a Stilbene by the Homer-Wadsworth-Emmons Reaction

B Preparation of a Stilbene by the Homer-Wadsworth-Emmons Reaction [Pg.610]

Purpose To demonstrate the synthesis of a stilbene by the Horner-Wadsworth-Emmons modification of the Wittig reaction. [Pg.610]

Solutions of potassium ferf-butoxide are highly caustic. Do not allow them to come in contact with your skin. If this should happen, wash the affected area with dilute acetic acid and then copious amounts of water. Wear latex gloves when transferring the solution. [Pg.610]

Preparation Sign in at www.cengage.com/login to answer Pre-Lab Exercises, access videos, and read the MSDSs for the chemicals used or produced in this procedure. Review Sections 2.10, 2.11,2.17, 2.27, and 2.28. [Pg.610]

Apparatus A 25-mL round-bottom flask, Claisen adapter, rubber septum, drying tube, two 1-mL syringes and a 5-mL syringe with needles, cold-water bath, apparatus for magnetic stirring, vacuum filtration, and flameless heating. [Pg.610]

Big Chemical Encyclopedia