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Gmelin Os.Organ.Vbg. Tl A (closed) 1
This volume is the first in a series providing up-to-date information on the chemical and physical properties of mononuclear organoosmium compounds. The first part deals with the 120 compounds known containing alkyl, aryl, acyl, or alkinyl, but no CO ligands. Compounds of this type have attracted wide interest during recent years, as some of them are important intermediates in the activation of C-H bonds by Os complexes. Most of them are square-pyramidically penta-coordinated OsVI complexes or octahedrally hexa-coordinated OsII, OsIV, or OsVI complexes. The second part of the volume describes the 450 Os carbonyl complexes known which contain one CO group and additional heteroatom-bonded ligands, such as H, halogens, O, S, N, or P donors, or boranes. The third and final part is devoted to the 47 compounds known which contain one CO group in addition to alkyl, alkenyl, alkynyl, aryl, or acyl ligands. Two addendums, an empirical formula and a ligand formula index, allow rapid and easy access to the more than 600 compounds in all.
Trinuclear Compounds b
The volume closes the gap that exists within the "C" series on polynuclear compounds. It describes the trinuclear organoiron compounds containing only ligands of the 1L type, i.e., those carbon ligands bonded to iron through one carbon atom per ligand such as terminal and bridging carbonyls, isocyanides, and various triply bridging carbon groups. Other trinuclear compounds with nL ligands of higher order (n = 2 or more) have already been treated in Organoiron Compounds C7, 1985. Volume C 6b describes Fe3(CO)n compounds in which n = 10 and 11. The great variety of cluster types originates in (a) the existence of noncarbon ligands with Group 16 to 13 elements acting as iron-bridging atoms, (b)...
Os Organoosmium Compounds
The present volume, "Organoosmium Compounds" 8 6, systematically covers the litera ture through 1992, including many later references. This volume is the first published of Series 8. This series is devoted to compounds containing two or more osmium atoms. The volume forms a unit with" Organoosmium Compounds" 8 5 (in preparation). 80th volumes deal with trinuclear compounds with ligands other than CO which are bonded to Os by one carbon atom ("1L ligands "), regardless of whether the ligand is additionally coordinated to Os by heteroatoms. Generally CO groups are additional ligands. As is usual in the organometallic Gmelin series, the term "trinuclear" means three osmium atoms in the molecule...
