Enantioselective photooxidation of a sulfide by a chiral ruthenium(II) complex immobilized on a montmorillonite clay surface: The role of weak interactions in asymmetric induction

Article Abstract:

The photooxidation of alpha-ethylbenzyl phenyl sulfide catalyzed by a polypyridyl ruthenium(II) complex as a chiral photosensitizer was studied to pursue a possibility that enantioselectivity was achieved through weak intermolecular interactions between a catalyst and a substrate. The ab initio calculations were performed on the stability of an associate composed of a catalyst and a product which suggested that chiral discrimination was achieved even through noncovalent interactions between a substrate and a chiral sensitizer.

Cyclic crudes and intermediates, Cyclic Crude and Intermediate Manufacturing, Ruthenium, Ethylbenzene, Electric properties, Sulfides

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Spectroscopic evidence for Pt-Pt interaction in a Langmuir-Blodgett film of an amphiphilic platinum(II) complex

Article Abstract:

A reversible surface pressure-molecular area curve was obtained when a chloroform solution of a dicyano(diimine)platinum(II) complex, [Pt(CN)2(5,5'-dinonyl-2,2'-bipyridine)], was spread onto pure water. It was found that surface pressure began to increase steeply from 0 at a molecular area of 0.61 nm(super 2) molecule(super -1).

Science & research, Platinum, Research, Usage, Spectrum analysis, Spectroscopy, Thin films, Multilayered, Multilayered thin films, Chemical properties

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