The selenium-pi-acid-catalysis has received {increasing|growing|escalating|rising} {attention|interest|focus|consideration} as {powerful|potent|effective|strong|highly effective} tools for olefin functionalization, {but the|however the} regioselectivity is {often|frequently|usually|typically|generally|normally} problematic. Reported herein {is a|is really a|is actually a|can be a|is often a|is usually a} selenium-catalyzed regiocontrolled olefin transpositional chlorination and imidation reaction. The reaction outcome {benefits|advantages|rewards|positive aspects|added benefits} from an allylic B(MIDA) substitution. {And the|And also the|As well as the|Along with the|Plus the} stabilization of α-anion from a hemilabile B(MIDA) moiety was believed {to be|to become} the {key|important|crucial|essential} {factor|aspect|element|issue} for selectivity. Broad substrate scope, {good|great|excellent|very good|fantastic|superior} functional group tolerance and {generally|usually|typically|normally|commonly|frequently} {good|great|excellent|very good|fantastic|superior} yields {were|had been|have been} observed. The formed {products|goods|items|merchandise|solutions} {were|had been|have been} demonstrated {to be|to become} {valuable|beneficial|useful|worthwhile|precious|important} precursors for the synthesis a wide {variety of|number of|selection of} structurally {complex|complicated} organoborons. 2252403-85-1 structure 150852-73-6 uses PMID:23819239
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