Ligand Syntheses

Armspach D, Constable E C, Diederich F, Housecroft C E and Nierengarten J-F 1998 Bucky ligands synthesis, ruthenium(ll) complexes, and electrochemical properties Chem. Eur. J. 4 723-33... 

Phenyl-Substituted Cyclopentadienyl Ligand 3.1 Ligand Synthesis... 

The Access Tables have been laid out in a manner that parallels the foregoing chapters. The first three tables provide listings according to element and ligand. Tables 4 to 18 and 20 correspond to the chapters of Volumes 1 and 5. Table 13 covers ligand synthesis. Two additional tables cover physical techniques for the study of complexes and thermochemistry. The final table is entitled Special Topics and includes aspects that defied inclusion under earlier headings and these aspects are listed purely in alphabetical order. 

Agbossou E., Carpentier J. E. Hapiot E., Suisse I., Mortreux A. The Aminophos-phine-Phosphinites and Related Ligands Synthesis, Coordination Chemistry and Enantioselective Catalysis Coord. Chem. Rev. 1998 I78-I80 1615-1645 Keywords stereoselective Diels-Alder reaction catalysts, aminophosphine-phosphinites, enantioselective catalysts... 

Kilpin, K.J., Henderson, W. and Nicholson, B.K. (2007) Organogold(III) complexes containing chelating bis (amidate) ligands Synthesis, characterisation and biological activity. Polyhedron, 26, 434. 

Barnard, P.J., Baker, M.V., Bemers-Price, S.J., Skelton, B.W. and White, A.H. (2004) Dinudear gold(I) complexes of bridging bidentate carbene ligands Synthesis, structure and spectroscopic characterisation. Dolton Transactions, 1038-1047. 

For the preparation of CoSalophen Y the Co—Y was impregnated by salicy-laldehyde, and 1,2-phenylenediamine in methanol was added slowly to the mixture.107 This was a successful encapsulation of a salen-type complex with larger diamine than the ethylenediamine, a successful preparation of an encaged metal-salen complex by the intrazeolite ligand synthesis method, and a successful intrazeolite synthesis using two different precursor molecules. 

A. Dondoni, M. Kleban, X. Hu, A. Marra, and H. D. Banks, Glycoside-clustering round calixarenes toward the development of multivalent carbohydrate ligands. Synthesis and conformational analysis of calix[4]arene O- and C-glycoconjugates, J. Org. Chem., 67 (2002) 4722 -733. 

Generation of free macrocycles from their metal complexes The removal of a macrocycle from its coordinated metal ion is a frequent procedure in macrocyclic ligand synthesis - conditions for inducing such demetallations are now briefly discussed ... 

P,N and non-phosphorus ligands have been most successful in the enantiomeric iridium-catalyzed hydrogenation of unfunctionalized alkenes [5], and for this reason this chapter necessarily overlaps with Chapter 30. Here, the emphasis is on ligand synthesis and structure, whereas Chapter 30 expands on substrates, reaction conditions and reaction optimization. However, a number of specific substrates are mentioned in the comparison of catalysts, and their structures are illustrated in Figure 29.1. 

The ligand synthesis is straightforward, using amino alcohols as the source of chirality in the oxazoline ring, whereas the stereochemistry in the phospholane ring is controlled by an enantioselective deprotonation using sparteine (Scheme 29.2). 

The ferrocene-oxazoline catalyst 19 (Fig. 29.7) has recently been used to hydrogenate substituted quinolines [18]. The ligand synthesis is again similar to that of the original PHOX ligand, with introduction of phosphorus via orthometallation. 

The ligand synthesis requires only two steps from simple starting materials. As with the PHOX type catalysts, chirality is built in through the use of a chiral amino alcohol (Scheme 29.5). 

---