Members of this class that have azomethine ylides can undergo the Prato reaction, and one member of it can form compounds with alkali or alkali-earth 
Members of this class that have azomethine ylides can undergo the Prato reaction, and one member of it can form compounds with alkali or alkali-earth metals that exhibit superconductivity. Endohedral ones contain a spherical empty space, and cylindrical ones are referred to as "nanotubes." The first one of them to be discovered was made via vaporization of a graphite rod in helium gas, and the smallest possible one contains twenty atoms. FTP, identify these hollow molecules of carbon that are named after the man who created the geodesic dome.
Members of this class that have azomethine ylides can undergo the Prato reaction, and one member of it can form compounds with alkali or alkali-earth metals that exhibit superconductivity.