1,3-dipolar cycloaddition
= 1,3-dipolar cycloaddition
A <cycloaddition> joining a three-atom 1,3-dipole to a two-atom unsaturated unit and forming a five-membered ring. The atom order of the dipole fixes which heteroatoms become adjacent.
= 1,3-dipolar cycloaddition
A <cycloaddition> joining a three-atom 1,3-dipole to a two-atom unsaturated unit and forming a five-membered ring. The atom order of the dipole fixes which heteroatoms become adjacent.