Chemistry Blog

Tag Archive: Aldehyde Oxidation

Mar 05

Chemistry Lab Demonstrations – Silver Mirror


hwe

*For more cool stories, pictures, and videos of chemistry demonstrations, click here* This week’s reaction was the HWE-modified Wittig reaction (and here) between para-anisaldeyhde and triethyl phosphonoacetate.  Saponification, followed by recrystallization of the acidified product gives nice needles of p-methoxycinnamic acid.  Funny thing, though, p-methoxycinnamic acid is supposed to be a white solid.  Half of …

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