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Rapid and efficient synthesis of [11C]ureas via the incorporation of [11C]CO2 into aliphatic and aromatic amines†
Abdul Karim Haji Dheere,Nadiya Yusuf,Antony Gee
Chemical Communications Pub Date : 07/31/2013 00:00:00 , DOI:10.1039/C3CC44046J
Abstract

A rapid urea radiolabelling methodology has been developed. [11C]CO2 was activated by 1,8-diazabicycloundec-7-ene (DBU) in the presence of aliphatic and aromatic amines and reacted with Mitsunobu reagents to produce asymmetric 11C radiolabelled ureas in high radiochemical yields.

Graphical abstract: Rapid and efficient synthesis of [11C]ureas via the incorporation of [11C]CO2 into aliphatic and aromatic amines
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