Synthesis of 1‐Alkynylboronates, 1,1‐Diborylalkenes, and 1,1,1‐Triborylalkanes: Challenges and Opportunities

In the field of organoboron chemistry, multi(boronate) esters have emerged as crucial intermediates, with various applications in synthetic chemistry, material technology, and life sciences. This mini-review discusses recent advancement in the synthesis of these versatile compounds, particularly alkynylboronates, 1,1-diborylalkenes, and 1,1,1-triborylalkanes, all of which are derived from easily accessible alkenes and alkynes. The article provides an in-depth analysis of these methodologies, delves into their mechanistic underpinnings, and emphasises their synthetic utility. Future research avenues and unresolved challenges in organoboron chemistry are also identified in this report, aiming to inspire further development of synthetic methods used in this area.