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Synthetic Photoswitchable Neurotransmitters Based on Bridged Azobenzenes
- Cabré, Gisela, Garrido-Charles, Aida, González-Lafont, Àngels, Moormann, Widukind, Langbehn, Daniel, Egea, David, Lluch, José M., Herges, Rainer, Alibés, Ramon, Busqué, Félix, Gorostiza, Pau, Hernando, Jordi
- Organic letters 2019 v.21 no.10 pp. 3780-3784
- chemical reactions, cis-trans isomers, glutamic acid, irradiation, moieties, neurons, neurotransmitters, organic compounds, receptors, thermal stability
- Photoswitchable neurotransmitters of ionotropic kainate receptors were synthesized by tethering a glutamate moiety to disubstituted C2-bridged azobenzenes, which were prepared through a novel methodology that allows access to diazocines with higher yields and versatility. Because of the singular properties of these photochromes, photoisomerizable compounds were obtained with larger thermal stability for their inert cis isomer than for their biologically activity trans state. This enabled selective neuronal firing upon irradiation without background activity in the dark.