pyrrolidine

As a noun pyrrolidine

is (organic compound) any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, c₄h₉n.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between pyrrole and pyrrolidine

is that pyrrole is any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, C₄H₅N while pyrrolidine is any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, C₄H₉N.

As nouns the difference between pyrrolidine and pyrrolidinyl

is that pyrrolidine is (organic compound) any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, c₄h₉n while pyrrolidinyl is (organic chemistry|especially in combination) a radical derived from pyrrolidine.

In organic compound terms the difference between pyrrolidine and pyrrolidinone

is that pyrrolidine is any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, C₄H₉N while pyrrolidinone is any heterocyclic ketone derived from pyrrolidine, but especially any 2-pyrrolidinone (a form of cyclic amide.

In organic compound|lang=en terms the difference between pyrrolidine and broussonetine

is that pyrrolidine is (organic compound) any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, c₄h₉n while broussonetine is (organic compound) any of a group of tetrasubstituted pyrrolidine alkaloids that are glycosidase inhibitors.

As nouns the difference between pyrrolidine and broussonetine

is that pyrrolidine is (organic compound) any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, c₄h₉n while broussonetine is (organic compound) any of a group of tetrasubstituted pyrrolidine alkaloids that are glycosidase inhibitors.

As nouns the difference between pyrrolidine and piracetam

is that pyrrolidine is any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, C₄H₉N while piracetam is a nootropic drug, 2-oxo-1-pyrrolidine acetamide.

As nouns the difference between pyrrolidine and cuscohygrine

is that pyrrolidine is (organic compound) any of a class of heterocyclic amines having a saturated five-membered ring; especially the parent compound of this class, c₄h₉n while cuscohygrine is (chemistry) a pyrrolidine alkaloid found in coca and certain other plants.