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Anisole, also known as methoxybenzene, is a colorless liquid with a smell similar to that of anise seed, and can be quite naseauting. Anisole is more electron rich than benzene because of the resonance effect of the methoxy group upon the aromatic ring. This resonance effect has a greater effect upon the pi cloud of the ring than the inductive effect where the electronegative oxygen exerts a pull on the electron density in the benzene ring through the sigma bond.
Additional recommended knowledge
Rate of reaction:
The methoxy group acts as an ortho/para directing group.
Anisole reacts with acetic anhydride to give 4-methoxyacetophenone and acetic acid as a byproduct. The reaction of anisole with P4S10 forms Lawesson's reagent an important chemical in phosphorus-sulfur chemistry.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Anisole". A list of authors is available in Wikipedia.|