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The discovery of alternative application of these complexes beyond aforementioned N\n                    <jats:sub>2<\/jats:sub>\n                    functionalization is highly desirable but remains elusive. In this work, we demonstrated that a titanium dinitrogen complex exhibits catalytic potential in the hydrophosphination of alkenes with an outstanding substrate compatibility and a turnover number of 743 was achieved. Mechanistic studies showed that the end\u2010on bridging dinitrogen unit (N\n                    <jats:sub>2<\/jats:sub>\n                    \u2010unit) of the Ti\n                    <jats:sup>III<\/jats:sup>\n                    complex could be replaced with diphenylphosphine to form a catalytically active Ti\n                    <jats:sup>II<\/jats:sup>\n                    species, with the concurrent extrusion of a free N\n                    <jats:sub>2<\/jats:sub>\n                    molecule that was probed by\n                    <jats:sup>15<\/jats:sup>\n                    N NMR spectroscopy. Thus, each N\n                    <jats:sub>2<\/jats:sub>\n                    \u2010unit virtually serves as an electron reservoir providing electrons to metal centers to give catalytically active low\u2010valent metal species. This reaction represents a rare example of adopting a metal dinitrogen complex as a precatalyst in organic transformations and the introduction of N\n                    <jats:sub>2<\/jats:sub>\n                    \u2010unit electron reservoir (NER) concept provides a novel and effective strategy for the invoking of low\u2010valent metal species for catalytic applications.\n                  <\/jats:p>","DOI":"10.1002\/anie.202525132","type":"journal-article","created":{"date-parts":[[2026,3,16]],"date-time":"2026-03-16T15:30:36Z","timestamp":1773675036000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Titanium Dinitrogen Complex Catalyzed Hydrophosphination Leveraging the N\n                    <sub>2<\/sub>\n                    \u2010Unit Electron Reservoir"],"prefix":"10.1002","volume":"65","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1872-9508","authenticated-orcid":false,"given":"Ying\u2010Zhao","family":"Ma","sequence":"first","affiliation":[{"name":"Chongqing Key Laboratory of Green Catalysis Materials and Technology, College of Chemistry and Materials Science Chongqing Normal University  Chongqing P. 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