Cycloaddition reactions are an efficient strategy for constructing cyclic compounds that are important building blocks for other chemicals. In these processes, π-electrons from different unsaturated ...
UV-activated alkyne–alkene [2 + 2] cycloaddition has served as an important tool to access cyclobutenes. Although broadly adopted, the limitations with UV light as an energy source prompted us to ...
(Phys.org)—Substituted cyclobutanes, four-membered carbon rings with substituents on some of the carbon atoms, can be made with regio- and stereo-selectivity through various methods, including ...
A team of Princeton University researchers has tinkered with the ligand design of an iron catalyst to overcome a long-standing reactivity barrier for coupling alkenes to make cyclobutanes. The ...
The (5+2) cycloaddition reaction utilising cycloalkenes is rare, although it is one of the most efficient methods of constructing seven-membered fused rings because of its high atom- and step-economy.
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