Light ligand compounds

Dimeric gold(I) complexes with dithiocarbamate ligands possess a strong propensity to aggregate and form chains with short intermolecular Au Au contacts, they have been known for a long time but new structural characterizations have come into light. Thus compounds of the type... 

GPCRs convey 80% of signal transduction across cell membranes [83]. The receptors consist of seven transmembrane helices (analogous to bacteriorhodopsin) connected by intra- and extracellular loops and they can be activated by diverse ligands (light-sensitive compounds, amino acids, peptides, neurotransmitters, etc.). GPCR in turn can activate an associated G-protein which further affects... 

Tertiary stibines have been widely employed as ligands in a variety of transition metal complexes (99), and they appear to have numerous uses in synthetic organic chemistry (66), eg, for the olefination of carbonyl compounds (100). They have also been used for the formation of semiconductors by the metal—organic chemical vapor deposition process (101), as catalysts or cocatalysts for a number of polymerization reactions (102), as ingredients of light-sensitive substances (103), and for many other industrial purposes. 

During the course of an attempted recrystallization of this complex from benzene containing chlorinated impurities the solution was exposed to light. The crystalline compound that formed from this solution was identified by X-ray crystallography as Mo(TPP)(Ph)Cl (Fig. 3). The complex contains Irons phenyl and chloro ligands, and the Mo—C and Mo—N4 plane distances are 2.241(1) and 0.125 A, respectively. A systematic synthesis of the complex could not subsequently be developed and consequently other spectroscopic and magnetic data were not collected. 

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