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UID:69dc0631b9813
DTSTAMP:20260412T165305
DTSTART:20161208T140000
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20161208T153000
URL:https://murmitoyen.com/events/vanille/udem/detail/695467-conference-de-
 la-professeure-sara-eisler-new-brunswick
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Conférence de la Professeure Sara Eisler (New Brunswick)
DESCRIPTION:Titre :Synthesis\, Cyclizations\, and Switches: Controlling Reg
 iochemistry\, and Molecular Motion\, in π-Extended Heterocycles Endroit
  : Pavillon J.-Armand Bombardier\, salle 1035 à 14 h.Hôte : Professeur 
 James Wuest.
\nCette conférence sera prononcée (en anglais) par la prof
 esseure Sara Eisler du département de chimie de l'université du Nouveau-
 Brunswick.
\nRésumé :We have found that intramolecular\, nucleophilic cy
 clization reactions can be performed under mild conditions to give a varie
 ty of p-extended isoindolinone (IIN)\, pyrrolone\, and pyridinone containi
 ng products in high yields. Multiple cyclizations can be performed simulta
 neously within a single molecule\, and these extended systems are thermall
 y stable\, easily functionalizable\, and strongly fluorescent. In addition
 \, controlled switching between isomeric forms of the IINs can be induced 
 when exposed to UV and visible light\, thus representing an entirely new f
 amily of multi-stable molecular switches. We have used the sequential E-Z 
 isomerizations of photoresponsive IIN moieties to build multi-stable molec
 ular switches with unusual switching motifs. These systems can be reversib
 ly and controllably transformed between several different stable conformat
 ions\, and will respond to orthogonal stimuli. The synthesis\, electronic 
 properties\, and switching characteristics of several responsive IIN-conta
 ining small molecules will be presented.
\nInformation supplémentaireAnno
 nce PDF de la conférence
\n 
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