??????-1,3-?? C??? ??, ??, ??

??

cyclobutadiene: A short-livedcyclic diene hydrocarbon, C₄H₄, withits four carbon atoms in a squarering. It is made by degradation of itsmetal complexes, and has a shortlifetime of a few seconds. It undergoesaddition reactions with alkynes.

??????-1,3-?? ?? ?? ? ???

???

?? ??

??????-1,3-?? ?? ??

???	??	???	??	?? ?	??
Shaanxi Didu New Materials Co. Ltd	+86-89586680 +86-13289823923	1026@dideu.com	China	8670	58