2-Chloro-''N''⁶-cyclopentyladenosine (CCPA) is a specific

receptor agonist An agonist is a chemical that activates a receptor to produce a biological response. Receptors are cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an antagonist blocks the action of the ag ...

for the

Adenosine A1 receptor The adenosine A1 receptor is one member of the adenosine receptor group of G protein-coupled receptors with adenosine as endogenous ligand. Biochemistry A1 receptors are implicated in sleep promotion by inhibiting wake-promoting cholinergic neu ...

. It is similar to ''N''⁶-cyclopentyladenosine.

References

Nucleosides Purines Organochlorides Adenosine receptor agonists Cyclopentanes {{nervous-system-drug-stub