Combining phosphinidene units with malonate anion: Synthesis of highly functional phosphine complexes |
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| Authors: | Carine Compain Ngoc Hoa Tran Huy François Mathey |
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| Affiliation: | 1. UCR-CNRS Joint Research Laboratory, Department of Chemistry, University of California Riverside, Riverside, California 92521–0403;2. Laboratoire “Heteroelements et Coordination” UMR CNRS 7653, DCPH, Ecole Polytechnique, 91128 Palaiseau Cedex, France |
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| Abstract: | Malonate anion traps the [RP-W(CO)5] bridge of 7-phosphanorbornadiene complexes 1–3 to give functional secondary phosphine complexes [RP(H)-CH(CO2Et)2]W(CO)5 ( 7–9 ). Metalation of these complexes by NaH in THF occurs at the malonic CH group, but the alkylation of the resulting carbanions preferentially takes place at phosphorus. When R stands for β-chloroethyl, the corresponding carbanion cyclizes to give the functional phosphirane complex 11 . © 2004 Wiley Periodicals, Inc. Heteroatom Chem 15:258–262, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20014 |
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