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Award ID contains: 1900482

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  1. ; (, Analysis & Sensing)
    Abstract Despite its relative simplicity, ethylene is an interesting molecule with wide‐ranging impact in modern chemistry and biology. Stemming from ethylene's role as a critical plant hormone, there has been significant effort to develop selective and sensitive molecular sensors for ethylene. Late transition metal complexes have played an important role in detection strategies due to ethylene's lack of structural complexity and limited reactivity. Two main approaches to ethylene detection are identified: (1) coordination‐based sensors, wherein ethylene binds reversibly to a metal center, and (2) activity‐based sensors, wherein ethylene undergoes a reaction at a metal center, resulting in the formation and destruction of covalent bonds. Herein, we describe the advantages and disadvantages of various approaches, and the challenges remaining for sensor development. 
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  2. ; ; (, RSC Chemical Biology)
    Direction conjugation of a BODIPY fluorophore with the chelating ruthenium ligand result in red-shifted ethylene probes Con-BEP-4 and Con-BEP-5. Synthesis, photophysical properties, and live cell imaging studies are reported. 
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  3. ; (, Chem Catalysis)
    In this issue of Chem Catalysis, Sytniczuk, Kajetanowicz, and Grela report sterically tuned Cyclic(Alkyl)(Amino)Carbene (CAAC) ligands to protect the requisite Ru-methylidene ([Ru]=CH2) intermediate present during ethenolysis of renewable fatty acid methyl esters (FAME). Surprising structural characteristics of the Ru-CAAC complexes resulted in TON up to 740,000 and sub-ppm catalyst loadings. 
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  4. ; ; ; ; ; ; ; ; ; ; et al (, Journal of the American Chemical Society)
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