Organoboron compounds have found widespread application in everyday organic synthesis. The Lewis acidic properties, non-toxicity, stability, and easy commercial availability of organoboron compounds have resulted in considerable attention from organic chemists. Over the last several decades, there has been a sizeable development of new organoboron compounds useful in organic synthesis. Allenylboron compounds have emerged as a promising scaffold for various synthetic transformations, including allenylation and propargylation of carbonyl compounds, imines, activated olefins, and others; hydroboration-allylation with carbonyl/imine, and more. On the other hand, a good number of synthetic methods have evolved over the years to access substituted allenylboron compounds in good yield. This review highlights the methods known to date for the synthesis and reactivity of allenylboron compounds in a chronological manner.
Organoboron compounds have wide-ranging applications in synthetic methodologies, natural products, and bioactive molecule synthesis. The sensitivity of boronic acid toward most synthetic reagents makes it necessary to introduce a protecting...
Gem-diborylalkanes are an important class of organoboron compounds as they function as a key building block in organic synthesis. In the last decade, there has been a growing interest in...
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