1 research outputs found
Hierarchical Dehydrogenation Reactions on a Copper Surface
Hierarchical control
of chemical reactions is being considered
as one of the most ambitious and challenging topics in modern organic
chemistry. In this study, we have realized the one-by-one scission
of the X–H bonds (X = N and C) of aromatic amines in a controlled
fashion on the Cu(111) surface. Each dehydrogenation reaction leads
to certain metal–organic supramolecular structures, which were
monitored in single-bond resolution via scanning tunneling microscopy
and noncontact atomic force microscopy. Moreover, the reaction pathways
were elucidated from X-ray photoelectron spectroscopy measurements
and density functional theory calculations. Our insights pave the
way for connecting molecules into complex structures in a more reliable
and predictable manner, utilizing carefully tuned stepwise on-surface
synthesis protocols