Photoisomerization of a rotaxane hydrogen bonding template: light-induced acceleration of a large amplitude rotational motion.
Establishing methods for controlling aspects of large amplitude submolecular movements is a prerequisite for the development of artificial devices that function through rotary motion at the molecular level. Here we demonstrate that the rate of rotation of the interlocked components of fumaramide-derived [2]rotaxanes can be accelerated, by >6 orders of magnitude, by isomerizing them to the corresponding maleamide [2]rotaxanes by using light.
Gatti
Francesco G
FG
School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, United Kingdom.
León
Salvador
S
Wong
Jenny K Y
JK
Bottari
Giovanni
G
Altieri
Andrea
A
Morales
M Angeles Farran
MA
Teat
Simon J
SJ
Frochot
Céline
C
Leigh
David A
DA
Brouwer
Albert M
AM
Zerbetto
Francesco
F
D018360:Crystallography, X-Ray; D006860:Hydrogen Bonding; D008027:Light; D008958:Models, Molecular; D008968:Molecular Conformation; D011083:Polycyclic Compounds / Q000737:chemistry* / Q000528:radiation effects; D043862:Rotaxanes
D011083:Polycyclic Compounds; D043862:Rotaxanes