{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T14:16:12Z","timestamp":1775916972211,"version":"3.50.1"},"reference-count":54,"publisher":"Wiley","issue":"35","license":[{"start":{"date-parts":[[2006,9,25]],"date-time":"2006-09-25T00:00:00Z","timestamp":1159142400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2006,12,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The reaction of a <jats:italic>C<\/jats:italic><jats:sub>2<\/jats:sub>\u2010symmetric diiodo compound, 1,4\u2010dideoxy\u20101,4\u2010diiodo\u20102,3,\u2010<jats:italic>O<\/jats:italic>\u2010isopropyliden\u2010<jats:sc>L<\/jats:sc>\u2010threitole, with [K([18]crown\u20106)]P(CN)<jats:sub>2<\/jats:sub> led to the generation of a corresponding bidentate dicyanophosphorus derivative. The in situ reaction with excess methanol and phenol yielded the corresponding bidentate dimethyl\u2010 and diphenylphosphonites, respectively. The isolated liquids were characterized by multinuclear NMR spectroscopy, elemental analysis, and mass spectrometry. The bidentate diphenylphosphonite ligand (a diphenoxyphosphane derivative) represents one of the very few functional bidentate phosphane derivatives: a DIOP [(2,2\u2010dimethyl\u20101,3\u2010dioxolane\u20104,5\u2010diyl)bis(methylene)]bis(diphenylphosphane) modification, in which the phenyl groups at the phosphorus atoms are replaced by functional phenoxy groups. Treatment of the bidentate diphenylphosphonite derivative with C<jats:sub>6<\/jats:sub>F<jats:sub>5<\/jats:sub>MgBr and <jats:italic>p<\/jats:italic>\u2010C<jats:sub>5<\/jats:sub>NF<jats:sub>4<\/jats:sub>MgBr allowed the isolation and full characterization of the comparable bidentate bis(pentafluorophenyl) and bis(<jats:italic>p<\/jats:italic>\u2010tetrafluoropyridyl)phosphanes. The ligand properties of the novel bidentate ligand systems were evaluated through the synthesis and vibrational investigation of their tetracarbonyl\u2013molybdenum and cyclopentadienyl\u2013iron complexes. The \u03c0 acidity of the synthesized ligands increases in the order methoxy\u2010&lt;phenoxy\u2010&lt;pentafluorophenyl\u2010&lt;<jats:italic>p<\/jats:italic>\u2010tetrafluoropyridyl phosphane.<\/jats:p>","DOI":"10.1002\/chem.200600260","type":"journal-article","created":{"date-parts":[[2006,9,25]],"date-time":"2006-09-25T11:30:15Z","timestamp":1159183815000},"page":"9025-9035","source":"Crossref","is-referenced-by-count":17,"title":["Synthesis of a Functional <i>C<\/i><sub>2<\/sub>\u2010Symmetrical Bidentate Diphenylphosphonite DIOP Derivative and Its Conversion into the Corresponding \u03c0\u2010Acidic Bis(pentafluorophenyl) and Bis(<i>p<\/i>\u2010tetrafluoropyridyl) Compounds"],"prefix":"10.1002","volume":"12","author":[{"given":"Berthold","family":"Hoge","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia","family":"Panne","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,11,27]]},"reference":[{"key":"e_1_2_5_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-08-092493-9.50006-2"},{"key":"e_1_2_5_1_3","doi-asserted-by":"publisher","DOI":"10.1002\/9783527619351"},{"key":"e_1_2_5_2_2","volume-title":"Handbook of Lewis Acids\u2014Application in Organic Synthesis","year":"2000"},{"key":"e_1_2_5_3_2","first-page":"227","volume":"20","author":"Yamonaoi Y.","year":"1999","journal-title":"Rev. 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