Quinoid ketene
= Quinoid ketene
A ketene conjugated with a nonaromatic quinoid ring. Elimination from suitable para-hydroxybenzoate anions can form a transient exocyclic ketene that is trapped by water.
= Quinoid ketene
A ketene conjugated with a nonaromatic quinoid ring. Elimination from suitable para-hydroxybenzoate anions can form a transient exocyclic ketene that is trapped by water.