Preparation of Catecholborane

 

M. S. VanNieuwenhez, Encyclpedia of Reagents for Organic Synthesis, John Wiley and Sons, Inc., L. A. Paquette, Ed., New York, 1995, 2, 1017.

Alkynes on hydroboration with boranes give vinylboranes that could be readily transformed into a variety of synthetically useful compounds such as aldehydes, ketones or alkenes (Scheme 12). The reactivity and selectivity depend on the nature of organoboranes.

Scheme 12