Abstract
Phosphaalkynes (RC=P) are valuable starting materials for a wide range of low-coordinate phosphorus compounds.[1] Similar to alkynes,[2] these reactive, triply-bonded molecules oligomerize in the coordination sphere of transition metals to give diphosphacyclobutadienes, triphosphabenzenes, or higher oligomers.[1, 3] The reactions of phosphaalkynes with “vaporized” metal atoms are particularly intriguing, as illustrated
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