An easy route towards regioselectively difunctionalized cyclens and new cryptands

Chem Commun (Camb). 2006 Dec 28:(48):5054-6. doi: 10.1039/b612293k. Epub 2006 Oct 12.

Abstract

Reductive amination of various aldehydes with cyclen represents a very convenient method for the synthesis of a wide range of 1,7-difunctionalized cyclens, as well as new cryptands.