Illustrated Glossary of Organic Chemistry

Imine (Schiff base): A functional group having a carbon-nitrogen double bond (C=N), or a molecule containing this functional group.



Generic imine structure.   
(E)-N-Benzylidenemethanamine.
The imine group is shown in red.
  
Rhodopsin, an imine involved in vision.
The imine group is shown in red.