Advances in Metal Carbene Chemistry - download pdf or read online

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

ISBN-10: 9400923171

ISBN-13: 9789400923171

ISBN-10: 9401075417

ISBN-13: 9789401075411

There are just few subject matters in organometallic chemistry, that have influenced study actions in as many parts, as transition-metal carbene (alkylidene) complexes. approximately 25 years after the 1st deliberate synthesis of a carbene advanced in E.O. Fischer's laboratory in Munich the NATO complex learn Workshop on Transition-Metal Carbene Complexes used to be the 1st assembly which,brought jointly scientists from varied disciplines to debate inorganic, natural, theoretical structural catalysis-related elements of steel carbene chemistry. The seventieth birthday of Professor E.O. Fischer was once a superb celebration for this company. The organizers of the assembly (K.D. Dotz, Marburg; F.R. KreiBl, Munchen; U. Schubert, Wurzburg) have been inspired via the truth that lots of the top scientists during this region have been capable of perform the workshop. The very excessive common of the contributions is mirrored during this publication, which incorporates papers from nearly all of the contributors. The court cases exhibit the state-of-the-art in steel carbene chemistry and may confidently be a landmark within the improvement of this quarter of chemistry. beneficiant monetary help for the workshop and for the coaching of this ebook used to be supplied through 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 throughout the conference.

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11,141(1972). H. O. G. Kreiter, H. Ber. ,107,2459(1974). R. O. ,107,183(1974). A. O. A,578(1969). E. O. S. ,1199 (1967). K. O. Ber. ,106,1277(1973); 109, 1868(1976). O. Fischer, M. G. Kreiter, J. ,105,150(1972). O. Fischer, V. Engl. ,6,961(1967). K. Chem. Ed. Engl. ,7,950(1968). O. Fischer, S. , 107,915(1974). A. O. Acta,8,185(1974). O. H. H. O. , 105,1356(1972). O. Fischer, K. Weiss, K. Ber. ,106,1581 (1973). O. Fischer, G. G. Kreiter, J. Muller, G. Huttner, H. ,12,564(1973). G. Huttner, H. Lorenz, W.

DC I • -CpMnICD'2 • Ph3P-Rh ......... 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.

I L -C /H3 O:<~ Ru PhCH2............. CO L 6. L i L ch........ / 0 b Ru I H2C·~ ~C'R L CO I -#) Cl, PhCHt/ I ~O I Ru '-----CO L CONCLUSION The chemistry of M(=CH2)Cl(NO)(PPh3)2 and M(=CH2)(n2-C[0]R)Cl(PPh3)2 makes an interesting contrast. The difference in reactivity patterns associated with these two methylene complexes reflects the fundamental difference in the reactivity of zerovalent and divalent ruthenium and osmium. In the case of the d S nitrosyl methylene complex the electrophiles HX, X2, SS' S02 and AuI readily add across the metal-carbon bond.

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


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