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Despite their significance, classical methods to synthesize such compounds often demand either harsh reaction conditions, prefunctionalization of starting materials, highly sensitive organometallic reagents, or expensive transition\u2010metal catalysts. Mild, practical methods thus remain elusive, despite being of great current interest. Herein, we describe a visible\u2010light\u2010driven method to form these products from secondary and primary phosphines. Using an inexpensive organic photocatalyst and blue\u2010light irradiation, arylphosphines can be both alkylated and arylated using commercially available organohalides. In addition, the same organocatalyst can be used to transform white phosphorus (P<jats:sub>4<\/jats:sub>) directly into symmetrical aryl phosphines and phosphonium salts in a single reaction step, which has previously only been possible using precious metal catalysis.<\/jats:p>","DOI":"10.1002\/chem.202002646","type":"journal-article","created":{"date-parts":[[2020,6,2]],"date-time":"2020-06-02T13:43:46Z","timestamp":1591105426000},"page":"16374-16382","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":59,"title":["Versatile Visible\u2010Light\u2010Driven Synthesis of Asymmetrical Phosphines and Phosphonium Salts"],"prefix":"10.1002","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8731-1578","authenticated-orcid":false,"given":"Percia Beatrice","family":"Arockiam","sequence":"first","affiliation":[{"name":"Institute of Inorganic Chemistry University of Regensburg  93040 Regensburg 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