Organic Chemistry

Reactions of Organic Compounds

What are “curved arrows” in organic chemistry?

Chemists used curved arrows to depict the flow of electrons in a chemical reaction. The arrow starts at the nucleophile (a lone pair of electrons, a π bond, or a σ bond), and points toward the electrophile (an atom, or bond, with a full or partial positive charge). Here’s an example of a transesterification reaction (i.e., changing one ester for another).



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