Crown compounds containing only nitrogen as coordinating atom.
| Member | Definition | Role |
|---|
| 1,4,7-triazacyclononane | | 1,4,7-triazonane |
| cyclam | | 1,4,8,11-tetraazacyclotetradecane |
| cyclen | An azacycloalkane that is cyclododecane in which the carbon atoms at positions 1, 4, 7 and 10 are replaced by nitrogen atoms. | 1,4,7,10-tetraazacyclododecane |
| plerixafor | An azamacrocycle consisting of two cyclam rings connected by a 1,4-phenylenebis(methylene) linker. It is a CXCR4 chemokine receptor antagonist and a hematopoietic stem cell mobilizer. It is used in combination with grulocyte-colony stimulating factor (G-CSF) to mobilize hematopoietic stem cells to the perpheral blood for collection and subsequent autologous transplantation in patients with non-Hodgkin's lymphoma and multiple myeloma. | plerixafor |