Topic Details (Notes format)

E/Z Configuration

Subject: Chemistry

Book: General Chemistry

E/Z nomenclature applies to alkenes with two different substituents on each carbon of the C=C bond. Priorities are assigned to substituents at each carbon. Z (zusammen) indicates higher priority substituents are on the same side, while E (entgegen) means they are on opposite sides. This system supersedes cis/trans in complex alkenes and is integral for describing stereochemistry.

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