Company Filing History:
Years Active: 1996
Title: Rolf W Sandnes: Innovator in Tetraazacycloalkane Preparation
Introduction
Rolf W Sandnes is a notable inventor based in Oslo, Norway. He has made significant contributions to the field of chemistry, particularly in the preparation of tetraazacycloalkanes. His innovative work has implications for the production of chelating agents and chelates that are useful in diagnostic imaging.
Latest Patents
Rolf W Sandnes holds a patent for a process related to tetraazacycloalkane preparation. The patent outlines a synthetic route that facilitates heteropoly-N-alkylation of the macrocyclic product. This process involves several steps, including the reaction of a tetraazaalkane with a bridging agent to create a fused tricyclic intermediate. The method further includes introducing an alkylene bridge between secondary amine nitrogens and, if necessary, decoupling the bridging moiety to yield a macrocyclic tetraazacycloalkane.
Career Highlights
Rolf W Sandnes is associated with Nycomed Imaging AS, where he applies his expertise in the development of innovative chemical processes. His work has been instrumental in advancing the field of diagnostic imaging through the creation of effective chelating agents.
Collaborations
Rolf has collaborated with notable colleagues such as Kjell Undheim and Michel Gacek. Their combined efforts have contributed to the advancement of research in their respective fields.
Conclusion
Rolf W Sandnes is a distinguished inventor whose work in tetraazacycloalkane preparation has significant implications for medical diagnostics. His innovative processes continue to influence the development of essential chemical compounds.