10.1021/acscentsci.5b00279.s002
Christopher
S. Wood
Christopher
S.
Wood
Colm Browne
Colm
Browne
Daniel M. Wood
Daniel M.
Wood
Jonathan R. Nitschke
Jonathan R.
Nitschke
Fuel-Controlled Reassembly of Metal–Organic
Architectures
American Chemical Society
2015
Reassembly
minima
metallosupramolecular
ArchitecturesMany
guest
stimulus application
investigation
pseudorotaxane
approach
method
return
time scale
release
host
management
catalyst
axle
dethreading
response
uptake
stimuli
triphenylphosphine
chemical fuel
regulation
product concentration
2015-12-09 07:01:10
Media
https://acs.figshare.com/articles/media/Fuel_Controlled_Reassembly_of_Metal_Organic_Architectures/2006967
Many examples exist of biological
self-assembled structures that
restructure in response to external stimuli, then return to their
previous state over a defined time scale, but most synthetic investigations
so far have focused on systems that switch between states representing
energetic minima upon stimulus application. Here we report an approach
in which triphenylphosphine is used as a chemical fuel to maintain
Cu<sup>I</sup>-based self-assembled metallosupramolecular architectures
for defined periods of time. This method was used to exert control
over the threading and dethreading of the ring of a pseudorotaxane’s
axle, as well as to direct the uptake and release of a guest from
a metal–organic host. Management of the amount of fuel and
catalyst added allowed for time-dependent regulation of product concentration.