Chem. Sci., 2026, Accepted Manuscript DOI: 10.1039/D6SC04215E, Edge Article Jia Wang, Joshua H. Marks, Chaojiang Zhang, Andrew Martin Turner, Mason McAnally, Miori Nogamida, Ralf I. Kaiser Boranes are prototypical electron-deficient species central to the boron chemistry and chemical vapor deposition. Despite extensive studies of diborane (B2H6), key reactive intermediates—particularly the monobridged and dibridged diboranyl (B2H5) radicals—have...