Phosphaalkyne Cyclodimerization Using Iron Complexes

Paul Binger; Bruno Biedenbach; Ronald Schneider; Manfred Regitz

doi:10.1055/s-1989-27447

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Synthesis 1989; 1989(12): 960-961
DOI: 10.1055/s-1989-27447

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Phosphaalkyne Cyclodimerization Using Iron Complexes

Paul Binger^* , Bruno Biedenbach, Ronald Schneider, Manfred Regitz

^*Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm Platz 1, D-4330 Mülheim a. d. Ruhr, Federal Republic of Germany

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Publication Date:
02 May 2002 (online)

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Tricarbonyl-2,4-di-tert-butyl-1,3-diphosphacyclobutadieneiron (2) has been synthesized by reaction of tert-butylphosphaacetylene (1; 3,3-dimethyl-1-phospha-1-butyne) with nonacarbonyldiiron tricarbonylbis (cyclooctene)iron and characterized unambiguously by mass.¹³C-,and ³¹P-NMR spectroscopy.