Advances in Metal Carbene Chemistry by E. O. Fischer (auth.), U. Schubert (eds.)

By E. O. Fischer (auth.), U. Schubert (eds.)

There are just few themes in organometallic chemistry, that have prompted study actions in as many parts, as transition-metal carbene (alkylidene) complexes. approximately 25 years after the 1st deliberate synthesis of a carbene complicated in E.O. Fischer's laboratory in Munich the NATO complicated learn Workshop on Transition-Metal Carbene Complexes was once the 1st assembly which,brought jointly scientists from various disciplines to debate inorganic, natural, theoretical structural catalysis-related points of steel carbene chemistry. The seventieth birthday of Professor E.O. Fischer was once a very good party for this firm. The organizers of the assembly (K.D. Dotz, Marburg; F.R. KreiBl, Munchen; U. Schubert, Wurzburg) have been inspired by means of the truth that many of the best scientists during this quarter have been capable of perform the workshop. The very excessive general of the contributions is mirrored during this ebook, which includes papers from the vast majority of the individuals. The court cases convey the cutting-edge in steel carbene chemistry and should optimistically be a landmark within the improvement of this sector of chemistry. beneficiant monetary aid for the workshop and for the practise of this ebook was once supplied by way of the clinical Affairs department of NATO and a few businesses. The organizers additionally recognize the efforts of the employees of the Bildungs­ zentrum der Hans-Seidel-Stiftung in Wild undesirable Kreuth for making a friendly and stimulating surroundings in the course of the conference.

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I )0 COJ2CP CHR ~ Scheme 7 Recently an anionic molybdenum complex structurally related to (29) has been obtained. Treatment of [NEt4][Mo(-CC~4Me-4)(CO){P(OMe}J}("S-C2B~gMe2>] with [Fe2(CO)9J in thf affords a mixture of the compounds [NEt4~[MoFe2(l'r CC6H4Me-4)(1'3-u:u' ,,,s-C2¥7Me2)(CO)SJ (30) and [NEt4] [Mo{u, " -CH(C~4Me-4)C2¥SMe2}(COhJ (31). 1 4 Compound (30) is structurally similar to the complexes (23). Formation of (31) may proceed via an intermediate akin to (22) with elimination of an Fe(CO)4 fragment.

G. A. J. , 1986, 173. F. P. F. , 1976, 14, 145. (a) M. K. P. James,. M. A. , 1987, 61; (b) F-E. K. Howard, O. A. 2661; (c) F-E. K. J. Musgrove, P. A. , 1988, 1879. (a) M. K. N. de M. Jelfs, O. A. , 1987, 73; (b) M. K. P. N. de M. M. A. O. K. C. U. A. , 1988, in press; (d) F-E. K. Howard, O. A. , 1987, 2917. J. K. N. de M. M. A. , 1987, 2219. M. K. P. N. de M. M. A. , 1985, 1778. U. A. Stone, unpublished results. O. Devore, C. K. A. , 1988, in press. O. , 1976, 14, 1. R. Roper Department of Chemistry The University of Auckland, Auckland, New Zealand ABSTRACT.

However, nucleophiles within the coordination sphere of the metal such as the oxygen atoms of coordinated n 2-acYl or the uncoordinated oxygen atom of a carboxylato-ligand do add to the methylene ligand. Z. Universities Grants Committee is gratefully acknowledged. The author thanks all his coworkers named in the references but particularly Drs. Scott Bohle and Tony Wright who developed the methylene chemistry described. REFERENCES 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.

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