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The precursors are synthesized from commercially available starting materials, and based on a Dmp (2,6\u2010dimesitylphenyl) group for kinetic stabilization of the <jats:italic>P<\/jats:italic>\u2010functionality, a bromo substituent for the introduction of the phosphorus center, and an acetylene unit at the <jats:italic>para<\/jats:italic> position of the Dmp moiety. Such acetylenic units are synthetically versatile, and can be explored for the construction of larger phosphorus\u2010containing \u03c0\u2010conjugates. The precursors are utilized to prepare Dmp\u2010stabilized <jats:italic>C,C\u2010<\/jats:italic>dibromophosphaalkenes, and butadiyne\u2010bridged dimeric species thereof. The effect of the low\u2010coordinate phosphorus centers and the extent of \u03c0\u2010conjugation on the spectroscopic and electronic properties is evaluated by NMR and UV\/Vis spectroscopy, as well as cyclic voltammetry. In addition to the phosphaalkenes, the successful syntheses of two new diphosphenes are presented, indicating a broad applicability of the precursor.<\/jats:p>","DOI":"10.1002\/cplu.202300067","type":"journal-article","created":{"date-parts":[[2023,4,5]],"date-time":"2023-04-05T09:32:24Z","timestamp":1680687144000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Precursors for the Development of \u03c0\u2010Conjugated Low\u2010Coordinate Phosphorus Compounds"],"prefix":"10.1002","volume":"88","author":[{"given":"Keyhan","family":"Esfandiarfard","sequence":"first","affiliation":[{"name":"Department of Chemistry - \u00c5ngstr\u00f6m Laboratory Uppsala University  Box 523 75120 Uppsala Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9450-2532","authenticated-orcid":false,"given":"Anna 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