Abstract
SHS investigation development is considered from the geographical and historical viewpoint. 3 stages are described. Within Stage 1 the work was carried out in the Department of the Institute of Chemical Physics in Chernogolovka where the scientific discovery had been made. At Stage 2 the interest to SHS arose in different cities and towns of the former USSR. Within Stage 3 SHS entered the international scene. Now SHS processes and products are being studied in more than 50 countries.
Abstract
Synthesis of 3,3`-bipyrazole systems was achieved via interesting synthetic
methodologies such as 1,3-dipolar cycloaddition reactions, cyclocondensation reactions
and metal catalysed C-H activation reactions. Construction of the structurally related
3,3`-bipyrazolines or 3-(pyrazol-3-yl)pyrazolines is described.
Keywords:
3, 3`-bipyrazoles, 3, 3`-bipyrazolines, Cyclocondensation, Cyclo addition, Cross-coupling, Nitrilimines.
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Authors:Bentham Science Books