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SUMMARY:Metal-containing organic cages and macrocycles  with open/close fe
 ature - Prof Shigehisa Akine (Graduate School of Natural Science and Techn
 ology\, Kanazawa University)
DTSTART:20181121T140000Z
DTEND:20181121T150000Z
UID:TALK113398@talks.cam.ac.uk
CONTACT:Lingtao Kong
DESCRIPTION:Macrocyclic compounds and molecular cages are known to act as 
 a good host molecule. Usual macrocyclic host molecules easily and quickly 
 take up a guest species in the cavity\, but some molecular cages can perma
 nently confine the guest species in the cavity. This confinement effect de
 pends on the guest size compared with the cage structures\, because only t
 he guest species that are smaller than the cage portal can enter and exit 
 the cavity. If we introduce a cap function into the host compounds\, we ca
 n switch the guest confinement effect\; the guest is confined in the cavit
 y when the cap is closed\, while the guest freely enters and exits when th
 e cap is open. In order to achieve this open/close function\, we designed 
 two new molecular scaffolds based on oligo(saloph)–metal structures.(1\,
 2) In this lecture\, guest recognition control behavior of the oligo(salop
 h) metallo-molecular cages (3) and metallo-macrocycles (4) will be present
 ed.\n\n(1). S. Akine\, J. Inclusion Phenom.\, 2012\, 72\, 25.\n(2). S. Aki
 ne\, T. Nabeshima\, Dalton Trans.\, 2009\, 10395.\n(3). S. Akine\, M. Miya
 shita\, T. Nabeshima\, J. Am. Chem. Soc.\, 2017\, 139\, 4631.\n(4). Y. Sak
 ata\, C. Murata\, S. Akine\, Nature Commun.\, 2017\, 8\, 16005.\n\n
LOCATION:Pfizer Lecture Theatre
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