Answers are grounded in this paper and cite their sources.
Stable for at least one week below −30°C: crystals of 1, the first highly persistent diphosphanyl radical, have been isolated and characterized. This phosphorus-centered radical exhibits hyperfine coupling whose anisotropy is considerably larger than that for well-established nitrogen radicals (hydrazyls, nitroxides). This feature is of potential interest for studies of fast molecular movements. Mes*=2,4,6-tBu3C6H2.
No takes yet. Share an insight, caveat, or question.
Loss et al. (2001) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: