[유기화학실험2 A+]Prelab5_Synthesis of stilbene using a wittig reaciton

목차

1. Objectives
2. Principles & Methods
3. Table of relevant chemical properties

본문내용

Objectives: Give a short description of the goals of this experiment.
In this experiment, benzyltriphenylphosphonium chloride reacts with NaOH and is converted into phosphonium ylide, which attacks benzaldehyde to synthesize trans-stilbene and cis-stilbeneThrough an extraction of distilled water and NaHSO3, impurities in the organic layer are removed, and moisture is removed with Na2SO4. The solvent is removed with an evaporator, trans-stilbene is precipitated with EtOH and filtered, cis-stilbene is precipitated with hexane and filtered.

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