Carbonyl (η3-allyl) anions of molybdenum and tungsten |
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| Authors: | G Doyle |
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| Institution: | Corporate Research Laboratories, Exxon Research and Engineering Company, Linden, New Jersey 07036 U.S.A. |
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| Abstract: | Anionic complexes of the type M(CO)2(diket)(η3-allyl)Cl]? (where M is Mo or W and diket is a β-diketonate group) are readily prepared by the addition of allyl chloride to M(CO)4(diket)]? anions. NMR measurements indicate an equilibrium between two conformers due to rotation of the allyl groups. M(CO)5(OC(=O)R)]? anions also react with allyl chloride to form η3-allyl complex anions. Some structural aspects of both the diketonate and carboxylate derivatives are discussed. |
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