The chemistry of fluorine containing phosphaalkenes, arsaalkenes and selenocarbonyls |
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Authors: | Joseph Grobe Duc Le Van |
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Institution: | Institut für Anorganische und Analytische Chemie der Westfälischen Wilhelms-Universität Münster, Wilhelm Klemm-Str. 8, D-48149 Münster, Germany |
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Abstract: | This review covers our extensive research activities in the area of fluorine containing phospha- and arsaalkenes as well as selenocarbonyls, which differ considerably in their properties and reactivities from their alkyl and aryl counterparts and thus contribute in a gratifying manner to the still growing field of unsaturated element-carbon compounds of 3rd and 4th row main group elements E. Of particular interest is the influence of the fluorine substituents and other small groups (OR, NR2) with either inductive and/or mesomeric effects on the polarity and reactivity of the EC bond. Addition reactions of proton acidic and hydridic polar HX reactants as well as 2+2], 3+2] and 4+2] cycloadditions have been thoroughly studied. The results obtained allow a classification of the EC systems within five different types, A to E, and prove a change from “normal” to “inverse” heteroalkenes in this sequence. The ligand properties of some derivatives have also been investigated in some detail. |
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Keywords: | Fluoroarsa- fluorophosphaalkenes Fluoroselenocarbonyls Cycloaddition reactions Addition of polar HX reactants MS NMR PE IR spectroscopic studies Quantum mechanical calculations |
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