Journal
INORGANIC CHEMISTRY
Volume 53, Issue 3, Pages 1397-1405Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic402221x
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Funding
- National Science Foundation [CHE-1552054, CHE-09-11119]
- Burroughs Wellcome Fellowship
- Department of Chemistry, Duke University
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1152054] Funding Source: National Science Foundation
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Photoswitching molecules are utilized for a variety of applications where the rapid manipulation of the molecules' chemical properties and spatial orientations allows for new spatiotemporal control over molecular-scale interactions and processes. Here, we present a hydrazone-containing transition metal chelator, HAPI ((E)-N'-[1-(2hydroxyphenyl)ethyliden]isonicotinoylhydrazide), that displays dual-wavelength photoswitching behavior. Several of its metal complexes, however, are inert to photoreaction and thereby add another layer of control over the photoswitch system. The light-induced twist in HAPI structure is accompanied by a dramatic change in electronic properties as well as chelator strength. This work introduces HAPI as the prototype for a class of molecules with properties that may be optimized for a variety of experimental applications that take advantage of phototriggered molecular changes.
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