Deprotonation of a trimethylsilylmethaneboronic ester
作者:Donald S. Matteson、Debesh Majumdar
DOI:10.1039/c39800000039
日期:——
Deprotonation of pinacol trimethylsilylmethaneboronate yields an anion which reacts with carbonyl compounds to form alkeneboronic esters, or with alkyl halides to form α-trimethylsilylalkaneboronic esters.
Synthesis of Trisubstituted Alkenyl Boronic Esters from Alkenes Using the Boryl-Heck Reaction
作者:William B. Reid、Donald A. Watson
DOI:10.1021/acs.orglett.8b02949
日期:2018.11.2
The direct borylation of disubstituted alkenes is reported. These conditions allow for the conversion of a variety 1,1- and 1,2-disubstituted alkenes to trisubstituted alkenyl boronic esters with outstanding yields and excellent E/Z selectivities. The utility of this reaction has been demonstrated with several downstream functionalization reactions, which allow access to diverse, stereodefined, functionalized