AI Article Synopsis
- The study introduces a novel compound featuring flexible 9-borabicyclo[3.3.1]nonyl units that stabilize high-spin Fe(ii)-dihydrides through boron-hydride interactions.
- The boron-capped Fe(ii)-dihydride not only deprotonates E-H (where E includes elements like N, O, P, and S) but also releases hydrogen when exposed to π-acids, leading to the formation of new Fe adducts.
- These interactions with Lewis acids allow for redox-leveling, drawing a comparison to the consistent operating potential observed in nitrogen reduction processes in nitrogenase enzymes.
Article Abstract
Geometrically flexible 9-borabicyclo[3.3.1]nonyl units within the secondary coordination sphere enable isolation of high-spin Fe(ii)-dihydrides stabilized by boron-hydride interactions and a rare example of an isolable = 3/2 reduction product. The borane-capped Fe(ii)-dihydride: (1) rapidly deprotonates E-H (E = N, O, P, S) bonds to afford borane-stabilized Fe adducts and (2) releases H upon exposure to π-acids. The Lewis acids provide an avenue for redox-leveling in analogy to the near constant operating potential for N reduction in nitrogenase.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6553361 | PMC |
| http://dx.doi.org/10.1039/c9sc00561g | DOI Listing |
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