Photochemical singlet carbene insertion into alkenylboronic acids
Abstract
A visible-light induced singlet carbene insertion reaction of alkenylboronic acids with aryl diazoacetates has been disclosed. Mechanistic studies indicate that the reaction experience singlet carbene nucleophilic attack on alkenylboronic acid to form an ylide, a 1,2-alkenyl migration, followed by deboration and deuteration with D₂O, enabling efficient deuterium labeling.
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