In the arena of enantioselective synthesis, titanium complexes wear the laurel wreath

Article Abstract:

The impressive amount of enantioselective synthetic uses that have been found for titanium catalysts and/or reagents, from classical reactions such as 1,2- and 1,4-additions, Diels-Alder reactions, or oxidations and reduction to new procedures such as the enantioselective nucleophilic addition of 'unreactive' organozinc reagents to poor electrophilic ketones, or the electrophilic alpha-halogenation of carbonyl compounds is presented. The economical, health and environmental benefits due to the use of titanium complexes are very significant.

Titanium compounds, Aldehydes, Ketones, Chemical properties, Electrophiles

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Highly functionalized tetrathiafulvalenes: Riding along the synthetic trail from electrophilic alkynes

Article Abstract:

The aim is to give an updated vision of synthetic aspects in the field of the TTF chemistry with the central role of electrophilic alkynes in the synthesis of 1,3-dithiole and TTF systems. The general activity of electrophilic alkynes leading to 1,3-dithiole or TTF derivatives is discussed, followed by the discovery of ADCA and its synthetic applications in this field.

Science & research, Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Alkynes, Research, Electric properties, Chemical synthesis

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